KR20240056720A - Positioning frequency layer detection and measurement - Google Patents

Abstract

Techniques are provided for using positioning reference signals (PRS) to determine the location of a wireless node. An exemplary method for reporting positioning reference signal measurements using a wireless node includes the ability to include an indication of the number of positioning frequency layers to be included in a single measurement report, and an indication of the number of positioning frequency layers that can be measured simultaneously. providing information; Receiving positioning assistance data including positioning reference signal configuration information; measuring positioning reference signals in the number of positioning frequency layers to be included in a single measurement report based at least in part on the positioning assistance data; and transmitting a single measurement report.

Description

Positioning frequency layer detection and measurement

[0001] This application claims the benefit of Greek Patent Application No. 20210100600, filed September 13, 2021, entitled “POSITIONING FREQUENCY LAYER DISCOVERY AND MEASUREMENT” and assigned to the assignee of this application, the entire contents of the above Greek Patent Application are hereby incorporated by reference for all purposes.

[0002] Wireless communications systems include first generation analog wireless telephony services (1G), second generation (2G) digital wireless telephony services (including potential 2.5G and 2.75G networks), third generation (3G) high-speed data, Internet-enabled wireless services, It has evolved through various generations, including fourth generation (4G) services (e.g., Long Term Evolution (LTE) or WiMax), and fifth generation (5G) services (e.g., 5G New Radio (NR)). Currently, cellular and PCS There are many different types of wireless communication systems in use, including Personal Communications Service (AMPS) systems, cellular Analog Advanced Mobile Phone System (AMPS), and Code Division Multiple Access (CDMA). Includes digital cellular systems based on Frequency Division Multiple Access (TDMA), Time Division Multiple Access (TDMA), and Global System for Mobile access (GSM) variants of TDMA.

[0003] It is often desirable to know the location of a user equipment (UE), such as a cellular telephone, and the terms “location” and “position” are synonymous and are used interchangeably herein. A location services (LCS) client may wish to know the location of a UE and may communicate with a location center to request the location of the UE. The location center and the UE may exchange messages as appropriate to obtain a location estimate for the UE. The location center may return a location estimate to the LCS client, for example, for use in one or more applications.

[0004] Obtaining the location of a mobile device accessing a wireless network can be useful for many applications, including, for example, emergency calls, personal navigation, consumer asset tracking, locating a friend or family member, etc. there is. Existing positioning methods include those based on measuring radio signals transmitted from a variety of devices, including satellite vehicles and terrestrial radio sources in wireless networks, such as base stations and access points. do. Stations within a wireless network may be configured to transmit reference signals to enable a mobile device to perform positioning measurements. Improvements in position-related signaling can improve the efficiency of mobile devices.

[0005] An example method for reporting positioning reference signal measurements using a wireless node according to the disclosure includes an indication of the number of positioning frequency layers to be included in a single measurement report, and the positioning frequency layers that can be measured simultaneously. providing capability information including an indication of a number of positioning frequency layers to be included in a single measurement report based at least in part on the positioning assistance data, receiving positioning assistance data including positioning reference signal configuration information. It includes measuring positioning reference signals in number, and transmitting a single measurement report.

[0006] Implementations of this method may include one or more of the following features. The method may further include receiving a request from the location server to measure positioning reference signals in a single positioning frequency layer based on the single measurement report. The indication of the number of positioning frequency layers to be included in a single measurement report may further include an indication of at least one air interface. The indication of at least one wireless interface may include an indication associated with a Uu interface, or an indication associated with a sidelink interface. A single measurement report may include an indication of the number of positioning reference signals received at the positioning frequency layer. A single measurement report may include one or more positioning reference signal measurement values associated with a plurality of positioning frequency layers, the method comprising receiving an indication of a preferred positioning frequency layer, and a plurality of positioning reference signal measurements associated with the preferred positioning frequency layer. It may further include measuring positioning reference signals. A preferred positioning frequency layer can be determined based at least in part on measurement values associated with positioning reference signals, such that a single measurement report includes an indication of the preferred positioning frequency layer. A positioning frequency layer in the number of positioning frequency layers may include positioning reference signal resources associated with a plurality of network nodes. The plurality of network nodes may include base stations configured to transmit positioning reference signals. The plurality of network nodes may include user equipment configured to transmit positioning reference signals.

[0007] An example method of selecting a positioning frequency layer for a positioning session in accordance with the disclosure includes receiving capability information including an indication of the number of positioning frequency layers that the wireless node can support; Providing a plurality of auxiliary data messages to a wireless node in sequential order based on the number of layers, receiving a sequence of measurement reports from the wireless node - each of the measurement reports is one of the plurality of auxiliary data messages. associated with one, and received before the next auxiliary data message of the plurality of auxiliary data messages is provided to the wireless node, determining a preferred positioning frequency layer based on the sequence of measurement reports, and the preferred positioning frequency layer. and requesting positioning measurements from the wireless node based on .

[0008] Implementations of this method may include one or more of the following features. The indication of the number of positioning frequency layers that the wireless node can support may further include an indication of at least one wireless protocol. The indication of the at least one wireless interface may include an indication associated with the Uu protocol, or an indication associated with the sidelink protocol. Determining the preferred positioning frequency layer may be based at least in part on the number of positioning reference signals measured in the preferred positioning frequency layer. Determining the preferred positioning frequency layer may be based at least in part on the number of line of sight measurements obtained in the preferred positioning frequency layer. One or more non-preferred positioning frequency layers may be deactivated on one or more neighboring base stations.

[0009] An example device according to the disclosure includes a memory, at least one transceiver, at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor comprising: a positioning frequency to be included in a single measurement report; Provide capability information including an indication of the number of layers, and an indication of the number of positioning frequency layers that can be measured simultaneously, and receive positioning assistance data including positioning reference signal configuration information, and at least partially in the positioning assistance data. and measure positioning reference signals based on the number of positioning frequency layers to be included in the single measurement report, and transmit the single measurement report.

[0010] An example device according to the disclosure includes a memory, at least one transceiver, at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to configure a positioning frequency layer that the wireless node can support. Receive capability information including an indication of the number of positioning frequency layers that the wireless node can support, and provide a plurality of auxiliary data messages to the wireless node in sequential order based on the number of positioning frequency layers that the wireless node can support, and a sequence of measurement reports from the wireless node. Receive - each of the measurement reports is associated with one of a plurality of auxiliary data messages, and is received before the next auxiliary data message of the plurality of auxiliary data messages is provided to the wireless node - based on the sequence of measurement reports. Determine a preferred positioning frequency layer, and request positioning measurements from the wireless node based on the preferred positioning frequency layer.

[0011] The items and/or techniques described herein may provide one or more of the following capabilities, as well as other capabilities not mentioned. A wireless node, such as a user equipment, may provide an indication of the number of positioning frequency layers (PFLs) available for use in the PFL detection phase and PFL measurement phase of a positioning session. A network entity, such as a location server, may provide positioning assistance data to a wireless node based on the node's capabilities. Auxiliary data may include positioning reference signal information for one or more PFLs. A wireless node may be configured to obtain PRS measurements at one or more PFLs in a detection phase. The preferred PFL can be determined based on PRS measurements. The location server can activate preferred PFLs and deactivate non-preferred PFLs. The preferred PFL may be used during the measurement phase of the positioning session. The accuracy of position estimates can be improved and the time to obtain a position estimate can be reduced. Other capabilities may be provided, and not every implementation according to the disclosure is required to provide any of the capabilities discussed, let alone all of them.

[0012] Figure 1 is a simplified diagram of an example wireless communication system.
[0013] Figure 2 is a block diagram of components of an example user equipment.
[0014] Figure 3 is a block diagram of components of an example transmit/receive point.
[0015] FIG. 4 is a block diagram of components of the example server shown in FIG. 1.
[0016] Figures 5A and 5B illustrate example downlink positioning reference signal resource sets.
[0017] Figure 6 is an illustration of example subframe formats for positioning reference signal transmissions.
[0018] Figure 7 is a diagram of an example position frequency hierarchy.
[0019] Figure 8A is a diagram of user equipment receiving a plurality of downlink positioning reference signals.
[0020] FIG. 8B is a diagram of user equipment receiving a plurality of sidelink positioning reference signals.
[0021] Figures 9A and 9B are example signal flow diagrams of sequential positioning frequency layer detection processes.
[0022] FIGS. 10A and 10B are example signal flow diagrams of positioning frequency layer detection processes based on the capabilities of a wireless node.
[0023] Figures 11A and 11B are example signal flow diagrams of positioning frequency layer detection processes for multiple wireless protocols.
[0024] Figure 12A is a process flow for an example method for performing a positioning frequency layer detection process.
[0025] Figure 12B is a process flow of an example method for determining a preferred positioning frequency layer.
[0026] Figure 13 is a process flow of an example method for reporting positioning reference signal measurement values.
[0027] Figure 14 is a process flow of an example method for configuring network nodes based on a preferred positioning frequency layer.
[0028] Figure 15 is a process flow of an example method for selecting a positioning frequency layer for a positioning session.

[0029] Techniques for using positioning reference signals (PRS) to determine the location of a wireless node are discussed herein. PRS is defined in 5G NR positioning to enable wireless nodes, such as user equipment (UE) and base stations (BS), to detect and measure signals transmitted by neighboring network nodes. Several PRS configurations are supported to enable various deployments such as indoor, outdoor, sub-6 GHz, and millimeter wave (mmW) and to support both UE-assisted and UE-based position calculations. In an example, PRS resources can be used as data structures to define parameters associated with a PRS. A PRS resource set may include a set of PRS resources, and a positioning frequency layer (PFL) may be a collection of PRS resource sets across one or more network nodes. In an embodiment, PRS resources within a PFL may be sorted in descending order of priority measurements to be performed by a wireless node (eg, UE). In an example, up to 64 PRSs in a PFL can be sorted based on priority, and up to 2 PRS resource sets in a PFL can be sorted based on priority. A wireless node may be configured to support one PFL per location session, but neighboring stations may be configured to transmit PRS on multiple PFLs. There is a need to enable wireless nodes to select a PFL that will enable satisfactory positioning accuracy. In the PFL detection phase, the network server may provide assistance data including PRS resource information for a plurality of PFLs, and the wireless node may be configured to obtain PRS measurement values for the PRS in the multiple PFLs. In an example, PFLs may be based on downlink (DL) PRS resources, sidelink (SL) PRS resources, or combinations of DL and SL PRS resources. A wireless node or other network resource may be configured to select one or more PFLs based on PRS measurements. The selected PFLs can be used in a later PFL measurement phase so that the wireless node will use the selected PFLs for the remainder of the positioning session. Using selected PFLs can reduce the latency associated with determining the position of a wireless node and improve the accuracy of the associated position estimate. These techniques and configurations are examples; other techniques and configurations may be used.

[0030] Referring to FIG. 1, an example of the communication system 100 includes a UE 105, a Radio Access Network (RAN) 135, and a Next Generation (NG) RAN (NG-RAN), which is 5G (Fifth Generation). ), and 5GC (5G Core Network) 140. UE 105 may be, for example, an IoT device, consumer asset tracking device, cellular phone, or other device. 5G networks may also be referred to as New Radio (NR) networks; NG-RAN 135 may be referred to as 5G RAN or as NR RAN; 5GC 140 may be referred to as an NG Core network (NGC). Standardization of NG-RAN and 5GC is underway in the ^3rd Generation Partnership Project (3GPP). Accordingly, NG-RAN 135 and 5GC 140 may comply with current or future standards for 5G support from 3GPP. NG-RAN 135 may be another type of RAN, such as 3G RAN, 4G Long Term Evolution (LTE) RAN, etc. The communication system 100 is a satellite positioning system (SPS) such as Global Positioning System (GPS), Global Navigation Satellite System (GLONASS), Galileo, or Beidou (e.g., Global Navigation Satellite System (GNSS)). , or some other local or regional SPS, such as the Indian Regional Navigational Satellite System (IRNSS), the European Geostationary Navigation Overlay Service (EGNOS), or the Wide Area Augmentation System (WAAS) satellite vehicles (SVs) 190, 191 , 192, 193), information from the constellation 185 can be used. Additional components of communication system 100 are described below. Communication system 100 may include additional or alternative components.

[0031] As shown in FIG. 1, the NG-RAN 135 includes gNB (NR nodeB) 110a, 110b and ng-eNB (next generation eNodeB) 114, and the 5GC 140 includes AMF (Access and Mobility Management Function (115), Session Management Function (SMF) (117), Location Management Function (LMF) (120), and Gateway Mobile Location Center (GMLC) (125). The gNBs 110a, 110b and ng-eNB 114 are each communicatively coupled to each other, are each configured to wirelessly communicate in the reverse direction with the UE 105, and are each communicatively coupled to the AMF 115, and the AMF It is configured to communicate in two directions with (115). AMF 115, SMF 117, LMF 120, and GMLC 125 are communicatively coupled to each other, and GMLC is communicatively coupled to an external client 130. SMF 117 may serve as the initial point of contact for a Service Control Function (SCF) (not shown) to create, control, and delete media sessions.

[0032] 1 provides a generalized illustration of various components, any or all of these components may be used as appropriate, and each of these components may be duplicated or omitted as needed. Specifically, one UE 105 is illustrated, but many UEs (e.g., hundreds, thousands, millions, etc.) may be used in communication system 100. Similarly, communication system 100 may be configured to include a larger (or smaller) number of SVs (i.e., SVs 190 - 193 that are more or less than the four shown), gNBs 110a, 110b, It may include ng-eNBs 114, AMFs 115, external clients 130, and/or other components. Illustrative connections connecting various components within communication system 100 include data and signaling connections that may include additional (intermediate) components, direct or indirect physical and/or wireless connections, and/or additional networks. Includes. Additionally, components may be rearranged, combined, separated, substituted, and/or omitted depending on desired functionality.

[0033] 1 illustrates a 5G-based network, similar network implementations and configurations may be used for other communication technologies such as 3G, Long Term Evolution (LTE), etc. Implementations described herein (whether they be for 5G technology and/or one or more other communication technologies and/or protocols) transmit (or broadcast) directional synchronization signals and enable UEs (e.g. receive and measure directional signals at 105), and/or provide location assistance (via GMLC 125 or another location server) to UE 105 and/or with respect to such directionally-transmitted signals. A location-enabled device, such as UE 105, gNB 110a, 110b, or LMF 120, may be used to calculate a location for UE 105 based on measurement quantities received at UE 105. You can. gateway mobile location center (GMLC) (125), location management function (LMF) (120), access and mobility management function (AMF) (115), SMF (117), eNodeB (ng-eNB) (114), and gNB (gNodeBs) 110a, 110b are examples and, in various embodiments, may each be replaced by or include a variety of other location server functionality and/or base station functionality.

[0034] UE 105 may include a device, a mobile device, a wireless device, a mobile terminal, a terminal, a mobile station (MS), a Secure User Plane Location (SUPL) Enabled Terminal (SET), or some other designation and/or one of these. It can be referred to as. Additionally, the UE 105 may be used in cellphones, smartphones, laptops, tablets, PDAs, consumer asset tracking devices, navigation devices, Internet of Things (IoT) devices, health monitors, security systems, smart city sensors, It may correspond to smart meters, wearable health trackers, or some other portable or mobile device. Typically, but not necessarily, the UE 105 supports Global System for Mobile communication (GSM), Code Division Multiple Access (CDMA), Wideband CDMA (WCDMA), LTE, High Rate Packet Data (HRPD), and IEEE 802.11 WiFi ( Also referred to as Wi-Fi), Bluetooth® (BT), Worldwide Interoperability for Microwave Access (WiMAX), 5G new radio (NR) (e.g., using NG-RAN 135 and 5GC 140), etc. Wireless communication can be supported using one or more RATs (Radio Access Technologies). The UE 105 may support wireless communication using, for example, a Wireless Local Area Network (WLAN) that can connect to other networks (eg, the Internet) using a Digital Subscriber Line (DSL) or packet cable. The use of one or more of these RATs allows the UE 105 to communicate with an external client 130 (e.g., via elements of 5GC 140 not shown in Figure 1, or perhaps via GMLC 125). and/or allow external clients 130 to receive location information about UE 105 (e.g., via GMLC 125).

[0035] UE 105 may comprise a single entity, or the user may employ audio, video, and/or data input/output (I/O) devices and/or body sensors and a separate wired or wireless modem. It may contain multiple entities, such as in a personal area network. The estimate of the location of the UE 105 may be referred to as a location, location estimate, location fix, fix, position, position estimate, or position fix, and may be geographic. A location for the UE 105 that may or may not include an elevation component (e.g., height above sea level, height above ground level or depth below ground level, floor level, or basement level), accordingly. Coordinates (eg, latitude and longitude) may be provided. Alternatively, the location of UE 105 may be expressed as a city location (eg, a postal address, or the name of some point or small area within a building, such as a particular room or floor). The location of the UE 105 is expressed as an area or volume (defined geodically or graphically) in which the UE 105 is expected to be located with some probability or confidence level (e.g., 67%, 95%, etc.) It can be. The location of UE 105 may be expressed as a relative location, including, for example, distance and direction from a known location. Relative location is relative coordinates defined with respect to some origin in a known location, which may be defined, for example, geographically, in urban terms, or by reference to a point, area, or volume shown, for example, on a map, floor plan, or building plan. (e.g., X, Y (and Z) coordinates). In the description contained herein, use of the term location may include any of these variations, unless otherwise indicated. When calculating the location of a UE, solve for local ) It is common to convert local coordinates to absolute coordinates.

[0036] UE 105 may be configured to communicate with other entities using one or more of a variety of technologies. UE 105 may be configured to be indirectly connected to one or more communication networks through one or more device-to-device (D2D) peer-to-peer (P2P) links (e.g., sidelinks). D2D P2P links may be supported with any suitable D2D radio access technology (RAT), such as LTE Direct (LTE-D), WiFi Direct (WiFi-D), Bluetooth®, etc. One or more of the group of UEs using D2D communications may be within the geographic coverage area of one or more of the gNBs 110a, 110b, and/or a Transmission/Reception Point (TRP), such as ng-eNB 114. Other UEs within this group may be outside of these geographic coverage areas or may otherwise not receive transmissions from the base station. Groups of UEs communicating via D2D communications may use a one-to-many (1:M) system where each UE can transmit to other UEs within the group. TRP can facilitate scheduling of resources for D2D communications. In other cases, D2D communications may be performed between UEs without TRP intervention.

[0037] Base stations (BSs) within NG-RAN 135 shown in FIG. 1 include NR Node Bs, referred to as gNBs 110a and 110b. Pairs of gNBs 110a, 110b within NG-RAN 135 may be connected to each other through one or more other gNBs. Access to the 5G network is provided to the UE 105 via wireless communication between the UE 105 and one or more of the gNBs 110a, 110b, which uses 5G to enable 5GC 140 for the UE 105. Can provide wireless communication access to. 1, the serving gNB for UE 105 is assumed to be gNB 110a, but if UE 105 moves to another location, another gNB (e.g., gNB 110b) may become the serving gNB. It can operate as a secondary gNB, or it can operate as a secondary gNB to provide additional throughput and bandwidth to the UE 105.

[0038] Base stations (BSs) within the NG-RAN 135 shown in FIG. 1 may include an ng-eNB 114, also referred to as a next-generation evolved Node B. ng-eNB 114 may be connected to one or more of gNBs 110a, 110b within NG-RAN 135, possibly via one or more other gNBs and/or one or more other ng-eNBs. ng-eNB 114 may provide LTE wireless access and/or evolved LTE (eLTE) wireless access to UE 105 . One or more of gNBs 110a, 110b and/or ng-eNB 114 may transmit signals to assist in determining the position of UE 105, but not from UE 105 or to other UEs. Can be configured to function as positioning-only beacons that may not receive signals from.

[0039] BSs (eg, gNB 110a, gNB 110b, ng-eNB 114) may each include one or more TRPs. For example, each sector within a cell of a BS may contain a TRP, but multiple TRPs may share one or more components (eg, share a processor, but have separate antennas). Communication system 100 may include macro TRPs, or communication system 100 may have different types of TRPs, such as macro, pico, and/or femto TRPs, etc. You can. A macro TRP may cover a relatively large geographic area (eg, several kilometers for some radii) and may allow unrestricted access by terminals with a service subscription. A pico TRP may cover a relatively small geographic area (eg, a pico cell) and may allow unrestricted access by terminals with a service subscription. A femto or home TRP may cover a relatively small geographic area (e.g., a femto cell) and provide limited access by terminals that have an association with the femto cell (e.g., terminals for users in the home). It is permissible.

[0040] As mentioned, Figure 1 shows nodes configured to communicate according to the 5G communication protocol, however, nodes configured to communicate according to other communication protocols could be used, such as, for example, the LTE protocol or the IEEE 802.11x protocol. there is. For example, in the Evolved Packet System (EPS) providing LTE wireless access to the UE 105, the RAN is the Evolved Universal Mobile Telecommunications (E-UTRAN), which may include base stations including evolved Node Bs (eNBs). System) may include Terrestrial Radio Access Network). The core network for EPS may include Evolved Packet Core (EPC). The EPS may include E-UTRAN plus EPC, where E-UTRAN corresponds to NG-RAN 135 and EPC corresponds to 5GC 140 in FIG. 1.

[0041] gNBs 110a, 110b and ng-eNB 114 may communicate with AMF 115, which communicates with LMF 120 for positioning functionality. AMF 115 may support mobility of UE 105, including cell change and handover, signaling connectivity to UE 105 and possibly Participates in supporting data and voice bearers for LMF 120 may communicate directly with UE 105, for example, via wireless communications. The LMF 120 may support positioning of the UE 105 when the UE 105 accesses the NG-RAN 135, and supports A-GNSS (Assisted GNSS), OTDOA (Observed Time Difference of Arrival), and RTK ( Real Time Kinematics (PPP), Precise Point Positioning (PPP), Differential GNSS (DGNSS), Enhanced Cell ID (E-CID), angle of arrival (AOA), angle of departure (AOD), and/or other position methods. Can support position procedures/methods. LMF 120 may process location service requests for UE 105, such as received from AMF 115 or from GMLC 125. LMF 120 may be connected to AMF 115 and/or GMLC 125. LMF 120 may be referred to by other names, such as Location Manager (LM), Location Function (LF), commercial LMF (CLMF), or value added LMF (VLMF). The node/system implementing LMF 120 may additionally or alternatively include other types of location-support modules, such as an Enhanced Serving Mobile Location Center (E-SMLC) or a Secure User Plane Location (SUPL) Location Platform (SLP). It can be implemented. At least some of the positioning functionality (including derivation of the location of the UE 105) is based on signals transmitted by wireless nodes (e.g., gNBs 110a, 110b and/or ng-eNB 114). signal measurements obtained by the UE 105 and/or using assistance data provided to the UE 105 by, for example, LMF 120).

[0042] The GMLC 125 may support location requests for the UE 105 received from the external client 130, and forward these location requests to the AMF 115 for forwarding to the LMF 120 by the AMF 115. Alternatively, the location request can be forwarded directly to the LMF 120. A location response from LMF 120 (e.g., containing a location estimate for UE 105) may be returned to GMLC 125 directly or via AMF 115, which may then be returned to GMLC 125. ) may return a location response (e.g., including a location estimate) to the external client 130. GMLC 125 is shown as connected to both AMF 115 and LMF 120, but in some implementations, one of these connections may be supported by 5GC 140.

[0043] As further illustrated in FIG. 1 , LMF 120 uses the New Radio Position Protocol A (which may be referred to as NPPa or NRPPa), which may be defined in 3GPP Technical Specification (TS) 38.455, to gNBs 110a. , 110b) and/or may communicate with the ng-eNB 114. NRPPa may be the same as, similar to, or an extension of LPPa (LTE Positioning Protocol A) defined in 3GPP TS 36.455, and NRPPa messages are sent to the gNB 110a (or gNB 110b) through the AMF 115. It may be transmitted between LMF 120 and/or between ng-eNB 114 and LMF 120. As further illustrated in FIG. 1 , LMF 120 and UE 105 may communicate using the LTE Positioning Protocol (LPP), which may be defined in 3GPP TS 36.355. LMF 120 and UE 105 may also or instead communicate using the New Radio Positioning Protocol (which may be referred to as NPP or NRPP), which may be the same as, similar to, or an extension of LPP. there is. Here, LPP and/or NPP messages are transmitted between UE 105 and LMF 120 via AMF 115 and serving gNB 110a, 110b or serving ng-eNB 114 for UE 105. It can be. For example, LPP and/or NPP messages may be transmitted between the LMF 120 and the AMF 115 using the 5G LCS Location Services Application Protocol (AP) and the 5G Non-Access Stratum (NAS) protocol. Thus, it can be transmitted between the AMF (115) and the UE (105). The LPP and/or NPP protocols may be used to support positioning of the UE 105 using UE-assisted and/or UE-based position methods such as A-GNSS, RTK, OTDOA, and/or E-CID. You can. The NRPPa protocol positions UE 105 using network-based position methods such as E-CID (e.g., when used with measurements obtained by gNB 110a, 110b or ng-eNB 114). may be used to support gNBs 110a, 110b, and/or parameters defining directional SS transmissions from gNBs 110a, 110b and/or ng-eNB 114. It may be used by the LMF 120 to obtain location-related information from the ng-eNB 114.

[0044] With the UE-assisted position method, UE 105 may obtain location measurements and transmit the measurements to a location server (e.g., LMF 120) for computation of a location estimate for UE 105. For example, location measurements may include Received Signal Strength Indication (RSSI), Round Trip signal propagation Time (RTT), and Reference Signal (RSTD) for gNBs 110a, 110b, ng-eNB 114, and/or WLAN AP. Time Difference), Reference Signal Received Power (RSRP), and/or Reference Signal Received Quality (RSRQ). Location measurements may also or instead include measurements of GNSS pseudorange, code phase, and/or carrier phase for SVs 190-193.

[0045] With the UE-based position method, UE 105 may obtain location measurements (e.g., which may be the same or similar to location measurements for the UE-assisted position method) (e.g., LMF 120 and The location of the UE 105 may be calculated (with the help of assistance data received from the same location server or broadcast by gNBs 110a, 110b, ng-eNB 114, or other base stations or APs). there is.

[0046] With a network-based position method, one or more base stations (e.g., gNBs 110a, 110b and/or ng-eNB 114) or APs measure location measurements (e.g., signals transmitted by UE 105) measurements of RSSI, RTT, RSRP, RSRQ, or Time Of Arrival (TOA) for , and/or receive measurements obtained by the UE 105. One or more base stations or APs may transmit measurements to a location server (e.g., LMF 120) for computation of a location estimate for UE 105.

[0047] Information provided to LMF 120 by gNBs 110a, 110b and/or ng-eNB 114 using NRPPa may include timing and configuration information for directional SS transmissions and location coordinates. . LMF 120 may provide some or all of this information to UE 105 as auxiliary data within LPP and/or NPP messages via NG-RAN 135 and 5GC 140.

[0048] An LPP or NPP message sent from LMF 120 to UE 105 may instruct the UE 105 to do any of a variety of things, depending on the desired functionality. For example, the LPP or NPP message may include instructions for the UE 105 to obtain measurements for GNSS (or A-GNSS), WLAN, E-CID, and/or OTDOA (or some other position method). You can. In the case of E-CID, the LPP or NPP message is supported by one or more of gNBs 110a, 110b and/or ng-eNB 114 (or by some other type of base station, such as an eNB or WiFi AP). The UE 105 may be instructed to obtain one or more measurement quantities (e.g., beam ID, beam width, average angle, RSRP, RSRQ measurements) of directional signals transmitted within specific cells (supported). UE 105 sends the measurement quantities in an LPP or NPP message (e.g., within a 5G NAS message) back to LMF 120 via serving gNB 110a (or serving ng-eNB 114) and AMF 115. Can be transmitted.

[0049] As noted, although communication system 100 is described in the context of 5G technology, communication system 100 may also be deployed on a mobile device, such as UE 105 (e.g., to implement voice, data, positioning, and other functionality). It may be implemented to support other communication technologies such as GSM, WCDMA, LTE, etc. used to support and interact with devices. In some such embodiments, 5GC 140 may be configured to control different air interfaces. For example, 5GC 140 may be connected to a WLAN using a Non-3GPP InterWorking Function (N3IWF, not shown in FIG. 1) in 5GC 150. For example, a WLAN may support IEEE 802.11 WiFi access for UE 105 and may include one or more WiFi APs. Here, N3IWF can connect to the WLAN and other elements within 5GC 140, such as AMF 115. In some embodiments, both NG-RAN 135 and 5GC 140 may be replaced by one or more other RANs and one or more other core networks. For example, in EPS, NG-RAN 135 may be replaced by E-UTRAN including eNBs, and 5GC 140 may be replaced by a Mobility Management Entity (MME), LMF 120, instead of AMF 115. It may instead be replaced by EPC, including E-SMLC, and GMLC, which may be similar to GMLC 125. In this EPS, E-SMLC can use LPPa instead of NRPPa to transmit location information to and receive location information from eNBs in E-UTRAN, and use LPP to support positioning of UE 105. Available. In these other embodiments, positioning of UE 105 using directional PRSs may be supported in a similar manner as described herein for a 5G network, with the difference being that gNBs 110a, 110b, ng-eNB ( 114), AMF 115, and LMF 120. In some cases, the functions and procedures described herein may instead be applied to other network elements such as eNBs, WiFi APs, MME, and E-SMLC. That means it can be applied.

[0050] As noted, in some embodiments, positioning functionality may be used to determine the position of a UE (gNBs 110a, 110b and/or ng-eNB) within range of a UE (e.g., UE 105 in FIG. 1) whose position is to be determined. It can be implemented, at least in part, using directional SS beams transmitted by base stations (such as 114). In some cases, the UE may use directional SS beams from multiple base stations (such as gNBs 110a, 110b, ng-eNB 114, etc.) to calculate the UE's position.

[0051] Referring also to FIG. 2 , UE 200 is an example of UE 105 and includes a computing platform including a processor 210, memory 211 including software (SW) 212, and one or more centers ( 213), transceiver interface 214 for transceiver 215 (including wireless transceiver 240 and/or wired transceiver 250), user interface 216, Satellite Positioning System (SPS) receiver 217, It includes a camera 218, and a position (motion) device (PMD) 219. Processor 210, memory 211, sensor(s) 213, transceiver interface 214, user interface 216, SPS receiver 217, camera 218, and position (motion) device (PMD) 219 may be communicatively coupled to each other by bus 220 (which may be configured for optical and/or electrical communication, for example). One or more of the devices shown (e.g., one or more of the camera 218, position (motion) device (PMD) 219, and/or sensor(s) 213, etc.) may be omitted from the UE 200. there is. The processor 210 may include one or more intelligent hardware devices, such as a central processing unit (CPU), a microcontroller, an application specific integrated circuit (ASIC), etc. The processor 210 includes a number of processors including a general purpose/application processor 230, a digital signal processor (DSP) 231, a modem processor 232, a video processor 233, and/or a sensor processor 234. It can be included. One or more of processors 230-234 may include multiple devices (eg, multiple processors). For example, sensor processor 234 can detect radio frequency (RF) signals, such as one or more wireless signals being transmitted and reflection(s) used to identify, map, and/or track an object. It may include processors for sensing, and/or ultrasonic waves, etc. Modem processor 232 may support dual SIM/dual connectivity (or even more SIMs). For example, a Subscriber Identity Module or Subscriber Identification Module (SIM) may be used by an Original Equipment Manufacturer (OEM) and another SIM may be used by an end user of UE 200 for connectivity. Memory 211 is a non-transitory storage medium that may include random access memory (RAM), flash memory, disk memory, and/or read-only memory (ROM). Memory 211 may include software 212, which may be processor-readable processor-executable software code containing instructions that, when executed, cause processor 210 to perform various functions described herein. Save. Alternatively, software 212 may not be directly executable by processor 210, but may be configured to cause processor 210 to perform functions, such as when compiled and executed. Although the description may refer to processor 210 performing a function, this includes other implementations, such as processor 210 executing software and/or firmware. The description is an abbreviation for one or more of the processors 230 to 234 performing a function, and may refer to the processor 210 performing the function. The description is shorthand for one or more appropriate components of the UE 200 performing a function, and may refer to the UE 200 performing a function. Processor 210 may include memory with stored instructions in addition to and/or instead of memory 211 . The functionality of processor 210 is discussed more fully below.

[0052] The configuration of UE 200 shown in FIG. 2 is an example and not a limitation of the disclosure, including the claims, and other configurations may be used. For example, an example configuration of a UE includes one or more of processors 230 - 234 of processor 210 , memory 211 , and wireless transceiver 240 . Other example components include one or more of processors 230-234 of processor 210, memory 211, wireless transceiver 240, one or more of sensor(s) 213, user interface 216, SPS. It includes a receiver 217, a camera 218, a PMD 219, and/or a wired transceiver 250.

[0053] UE 200 may include a modem processor 232 that can perform baseband processing of signals received and down-converted by transceiver 215 and/or SPS receiver 217. The modem processor 232 may perform baseband processing of signals that must be upconverted for transmission by the transceiver 215. Additionally or alternatively, baseband processing may be performed by general purpose processor 230 and/or DSP 231. However, other configurations may be used to perform baseband processing.

[0054] UE 200 may include sensor(s), which may include, for example, an Inertial Measurement Unit (IMU) 270, one or more magnetometers 271, and/or one or more environmental sensors 272. It may include (213). IMU 270 may include one or more inertial sensors, e.g., one or more accelerometers 273 (e.g., collectively responsive to acceleration of UE 200 in three dimensions) and/or It may include one or more gyroscopes 274. Magnetometer(s) make measurements to determine heading (e.g., relative to magnetic north and/or true north), which can be used for any of a variety of purposes, e.g., to support one or more compass applications. can be provided. Environmental sensor(s) 272 may include, for example, one or more temperature sensors, one or more barometric pressure sensors, one or more ambient light sensors, one or more camera imagers. imager), and/or one or more microphones, etc. Sensor(s) 213 may generate analog and/or digital signal representations, such as memory, in support of one or more applications, for example, applications related to positioning and/or navigation operations. 211 and may be processed by DSP 231 and/or general purpose processor 230.

[0055] Sensor(s) 213 may be used in relative location measurements, relative location determination, motion determination, etc. Information detected by sensor(s) 213 may be used for motion detection, relative displacement, dead reckoning, sensor-based location determination, and/or sensor-assisted location determination. You can. The sensor(s) 213 determine whether the UE 200 is stationary (stationary) or mobile and/or whether to report any useful information about the mobility of the UE 200 to the LMF 120. It may be useful to do so. For example, based on information acquired/measured by sensor(s) 213, the UE 200 may use the LMF to indicate that the UE 200 has detected movements, or that the UE 200 has moved. 120 may notify/report (e.g., through dead reckoning enabled by sensor(s) 213, or sensor-based location determination, or sensor-assisted location determination) relative displacement/ Distance can be reported. In another example, for relative positioning information, sensors/IMU may be used to determine the angle and/or orientation of another device relative to the UE 200, etc.

[0056] IMU 270 may be configured to provide measurements of the direction of motion and/or speed of motion of UE 200, which may be used in relative location determination. For example, one or more accelerometers 273 and/or one or more gyroscopes 274 of IMU 270 may detect the linear acceleration and rotational speed of UE 200, respectively. The linear acceleration and rotational speed measurements of the UE 200 may be integrated over time to determine the displacement as well as the instantaneous direction of motion of the UE 200. The instantaneous motion direction and displacement can be integrated to obtain the location of UE 200. For example, the reference location of UE 200 may be determined using SPS receiver 217 (and/or by some other means), e.g., relative to an instant in time, taken after an instant in time. Measurements from accelerometer(s) 273 and gyroscope(s) 274 to determine the current location of UE 200 based on movement (direction and distance) of UE 200 relative to a reference location. Can be used in dead reckoning.

[0057] Magnetometer(s) 271 can determine magnetic field strengths in different directions, which can be used to determine the orientation of UE 200. For example, heading may be used to provide a digital compass for UE 200. Magnetometer(s) 271 may include a two-dimensional magnetometer configured to detect and provide indications of magnetic field strength in two orthogonal dimensions. Additionally or alternatively, magnetometer(s) 271 may include a three-dimensional magnetometer configured to detect and provide indications of magnetic field strength in three orthogonal dimensions. Magnetometer(s) 271 may provide a means for sensing the magnetic field and providing indications of the magnetic field to, e.g., processor 210.

[0058] Transceiver 215 may include a wireless transceiver 240 and a wired transceiver 250 configured to communicate with other devices via wireless and wired connections, respectively. For example, wireless transceiver 240 may transmit wireless signals 248 (e.g., on one or more uplink channels and/or one or more sidelink channels) and/or (e.g., on one or more downlink channels and/or on one or more sidelink channels) and receive signals from wireless signals 248 to wired (e.g., electrical and/or optical) signals and/or wired (e.g., electrical and/or optical) signals. A transmitter 242 and a receiver 244 coupled to one or more antennas 246 for transducing into wireless signals 248. Accordingly, transmitter 242 may include multiple transmitters, which may be individual components or combined/integrated components, and/or receiver 244 may be individual components or combined/integrated components. It may include multiple receivers. The wireless transceiver 240 supports 5G New Radio (NR), Global System for Mobiles (GSM), Universal Mobile Telecommunications System (UMTS), Advanced Mobile Phone System (AMPS), Code Division Multiple Access (CDMA), and Wideband CDMA (WCDMA). , Long-Term Evolution (LTE), LTE Direct (LTE-D), 3GPP LTE-V2X (Vehicle-to-Everything) (PC5), V2C (Uu), IEEE 802.11 (including IEEE 802.11p), WiFi, It may be configured to communicate signals (e.g., with TRPs and/or one or more other devices) according to various radio access technologies (RATs), such as WiFi Direct (WiFi-D), Bluetooth®, Zigbee, etc. NR systems can be configured to operate on different frequency tiers, such as FR1 (e.g., 410 to 7125 MHz) and FR2 (e.g., 24.25 to 52.6 GHz), and below and above 6 GHz and/or 100 GHz (e.g. , FR2x, FR3, FR4). Wired transceiver 250 may be configured for wired communication, e.g., with NG-RAN 135, e.g., to transmit communications to gNB 110a and receive communications from gNB 110a. and a receiver 254. Transmitter 252 may include multiple transmitters, which may be individual components or combined/integrated components, and/or receiver 254 may include multiple transmitters, which may be individual components or combined/integrated components. May include receivers. Wired transceiver 250 may be configured for optical communication and/or electrical communication, for example. Transceiver 215 may be communicatively coupled to transceiver interface 214, such as by optical and/or electrical connections. Transceiver interface 214 may be at least partially integrated with transceiver 215.

[0059] User interface 216 may include one or more of several devices, such as, for example, a speaker, microphone, display device, vibration device, keyboard, touch screen, etc. User interface 216 may include more than one of any of these devices. User interface 216 may be configured to enable a user to interact with one or more applications hosted by UE 200. For example, user interface 216 may store representations of analog and/or digital signals in memory 211 for processing by DSP 231 and/or general purpose processor 230 in response to actions from a user. You can save it. Similarly, applications hosted on UE 200 may store representations of analog and/or digital signals in memory 211 to present output signals to a user. User interface 216 may include audio input/output (I/O) devices, including, for example, speakers, microphones, digital-to-analog circuitry, analog-to-digital circuitry, amplifiers, and/or gain control circuitry. including more than one of any of these devices. Other configurations of audio I/O devices may be used. Additionally or alternatively, user interface 216 may include one or more touch sensors responsive to touch and/or pressure, such as on a keyboard and/or touch screen of user interface 216.

[0060] SPS receiver 217 (e.g., a Global Positioning System (GPS) receiver) may be capable of receiving and acquiring SPS signals 260 via SPS antenna 262. SPS antenna 262 is configured to transduce wireless SPS signals 260 into wired signals, such as electrical or optical signals, and may be integrated with antenna 246. The SPS receiver 217 may be configured to fully or partially process the acquired SPS signals 260 to estimate the location of the UE 200. For example, SPS receiver 217 may be configured to determine the location of UE 200 by trilateration using SPS signals 260. General-purpose processor 230, memory 211, DSP 231, and/or one or more specialized processors (not shown) process the acquired SPS signals in whole or in part, and/or SPS receiver 217. It can be used to calculate the estimated location of the UE 200. Memory 211 may store representations (e.g., measurements) of SPS signals 260 and/or other signals (e.g., signals acquired from wireless transceiver 240) for use in performing positioning operations. ) can be saved. The general purpose processor 230, DSP 231, and/or one or more specialized processors, and/or memory 211 may include a location engine for use in processing measurements to estimate the location of the UE 200. location engine) can be provided or supported.

[0061] UE 200 may include a camera 218 for capturing still or moving images. Camera 218 may include, for example, an imaging sensor (eg, a charge-coupled device or CMOS imager), a lens, analog-to-digital circuitry, frame buffers, etc. Additional processing, conditioning, encoding, and/or compression of signals representing captured images may be performed by general purpose processor 230 and/or DSP 231. Additionally or alternatively, video processor 233 may perform conditioning, encoding, compression, and/or manipulation of signals representing captured images. Video processor 233 may decode/decompress image data to be stored, for example, for presentation on a display device (not shown) of user interface 216.

[0062] A position (motion) device (PMD) 219 may be configured to determine the position and possibly motion of the UE 200. For example, PMD 219 may communicate with, and may include part or all of, SPS receiver 217. PMD 219 may also or alternatively use ground-based signals (e.g., wireless signals 248), for triangulation, to assist in acquiring and utilizing SPS signals 260, or both. ) may be configured to determine the location of the UE 200 using at least a portion of ). PMD 219 may be configured to use one or more different techniques (e.g., relying on the UE's self-reported location (e.g., as part of the UE's position beacon)) to determine the location of the UE 200 , a combination of techniques (eg, SPS and ground positioning signals) may be used to determine the location of the UE 200. PMD 219 includes one or more of sensors 213 (e.g., gyroscope(s), accelerometer(s), magnetometer(s), etc.) capable of detecting the orientation and/or motion of UE 200. may be configured to use processor 210 (e.g., general purpose processor 230 and/or DSP 231) to determine motion (e.g., velocity vector and/or acceleration vector) of UE 200. We can provide signs that can be used. PMD 219 may be configured to provide indications of uncertainty and/or error in the determined position and/or motion.

[0063] Referring also to FIG. 3, an example of a TRP 300 of BSs (e.g., gNB 110a, gNB 110b, ng-eNB 114) is a computing platform including a processor 310, software (SW) ), a memory 311 including 312, a transceiver 315, and (optionally) an SPS receiver 317. Processor 310, memory 311, transceiver 315, and SPS receiver 317 are communicatively coupled to each other by bus 320 (which may be configured, e.g., for optical and/or electrical communication). It can be. One or more of the devices shown (e.g., wireless interface and/or SPS receiver 317) may be omitted from TRP 300. SPS receiver 317 may be configured similarly to SPS receiver 217 to be able to receive and acquire SPS signals 360 via SPS antenna 362. The processor 310 may include one or more intelligent hardware devices, such as a central processing unit (CPU), a microcontroller, an application specific integrated circuit (ASIC), etc. Processor 310 may include a number of processors (e.g., including a general purpose/application processor, DSP, modem processor, video processor, and/or sensor processor as shown in FIG. 2). Memory 311 is a non-transitory storage medium that may include random access memory (RAM), flash memory, disk memory, and/or read-only memory (ROM). Memory 311 may include software 312, which may be processor-readable processor-executable software code containing instructions that, when executed, cause processor 310 to perform various functions described herein. Save. Alternatively, software 312 may not be directly executable by processor 310, but may be configured to cause processor 310 to perform functions, such as when compiled and executed. Although the description may refer to processor 310 performing a function, this includes other implementations, such as processor 310 executing software and/or firmware. The description is an abbreviation for how one or more of the processors included in the processor 310 performs a function, and may refer to the processor 310 performing a function. The description is shorthand for one or more appropriate components of TRP 300 (and one of gNB 110a, gNB 110b, ng-eNB 114) performing a function, wherein TRP 300 performs the function. It can refer to doing something. Processor 310 may include memory with stored instructions in addition to and/or instead of memory 311 . The functionality of processor 310 is discussed more fully below.

[0064] Transceiver 315 may include a wireless transceiver 340 and a wired transceiver 350 configured to communicate with other devices via wireless and wired connections, respectively. For example, wireless transceiver 340 may transmit wireless signals 348 (e.g., on one or more uplink channels, downlink channels, and/or sidelink channels) and/or on one or more downlink channels, uplink channels, and/or sidelink channels) and receive signals from wireless signals 348 to wired (e.g., electrical and/or optical) signals and wired (e.g., A transmitter 342 and a receiver 344 coupled to one or more antennas 346 for transducing (electrical and/or optical) signals into wireless signals 348. Accordingly, transmitter 342 may include multiple transmitters, which may be individual components or combined/integrated components, and/or receiver 344 may be individual components or combined/integrated components. It may include multiple receivers. The wireless transceiver 340 supports 5G New Radio (NR), Global System for Mobiles (GSM), Universal Mobile Telecommunications System (UMTS), Advanced Mobile Phone System (AMPS), Code Division Multiple Access (CDMA), and Wideband CDMA (WCDMA). , Long-Term Evolution (LTE), LTE Direct (LTE-D), 3GPP LTE-V2X (PC5), IEEE 802.11 (including IEEE 802.11p), WiFi, WiFi Direct (WiFi-D), Bluetooth®, Zigbee It may be configured to communicate signals (e.g., with the UE 200, one or more other UEs, and/or one or more other devices) according to various radio access technologies (RATs), such as the like. Wired transceiver 350 is configured for wired communication, e.g., with network 140, for transmitting communications to and receiving communications from LMF 120 or another network server, for example. It may include a transmitter 352 and a receiver 354. Transmitter 352 may include multiple transmitters, which may be individual components or combined/integrated components, and/or receiver 354 may include multiple transmitters, which may be individual components or combined/integrated components. May include receivers. Wired transceiver 350 may be configured for optical communication and/or electrical communication, for example.

[0065] The configuration of TRP 300 shown in FIG. 3 is an example and is not limiting of the disclosure, including the claims, and other configurations may be used. For example, the description herein may describe TRP 300 being configured to perform several functions or performing several functions, but one or more of these functions to be performed by LMF 120 and/or UE 200. It is discussed that LMF 120 and/or UE 200 may be configured to perform one or more of these functions.

[0066] Referring also to FIG. 4 , an example server, such as LMF 120, includes a computing platform including a processor 410, memory 411 including software (SW) 412, and transceiver 415. . Processor 410, memory 411, and transceiver 415 may be communicatively coupled to each other by bus 420 (which may be configured, for example, for optical and/or electrical communication). One or more of the devices shown (eg, wireless interfaces) may be omitted from server 400. The processor 410 may include one or more intelligent hardware devices, such as a central processing unit (CPU), a microcontroller, an application specific integrated circuit (ASIC), etc. Processor 410 may include a number of processors (e.g., including a general purpose/application processor, DSP, modem processor, video processor, and/or sensor processor as shown in FIG. 2). Memory 411 is a non-transitory storage medium that may include random access memory (RAM), flash memory, disk memory, and/or read-only memory (ROM). Memory 411 may include software 412, which may be processor-readable processor-executable software code containing instructions that, when executed, are configured to cause processor 410 to perform various functions described herein. Save. Alternatively, software 412 may not be directly executable by processor 410, but may be configured to cause processor 410 to perform functions, such as when compiled and executed. Although the description may refer to processor 410 performing a function, this includes other implementations, such as processor 410 executing software and/or firmware. The description is an abbreviation for how one or more of the processors included in the processor 410 performs a function, and may refer to the processor 410 performing a function. The description may refer to server 400 (or LMF 120) performing a function, as shorthand for one or more appropriate components of server 400 performing a function. Processor 410 may include memory with stored instructions in addition to and/or instead of memory 411 . The functionality of processor 410 is discussed more fully below.

[0067] Transceiver 415 may include a wireless transceiver 440 and a wired transceiver 450 configured to communicate with other devices via wireless and wired connections, respectively. For example, wireless transceiver 440 may transmit (e.g., on one or more downlink channels) and/or receive (e.g., on one or more uplink channels) wireless signals 448 and transmit signals 448 wirelessly. One or more antennas 446 for transducing from signals 448 to wired (e.g., electrical and/or optical) signals and from wired (e.g., electrical and/or optical) signals to wireless signals 448 ) may include a transmitter 442 and a receiver 444 coupled to the. Accordingly, transmitter 442 may include multiple transmitters, which may be individual components or combined/integrated components, and/or receiver 444 may be individual components or combined/integrated components. It may include multiple receivers. The wireless transceiver 440 supports 5G New Radio (NR), Global System for Mobiles (GSM), Universal Mobile Telecommunications System (UMTS), Advanced Mobile Phone System (AMPS), Code Division Multiple Access (CDMA), and Wideband CDMA (WCDMA). , Long-Term Evolution (LTE), LTE Direct (LTE-D), 3GPP LTE-V2X (PC5), IEEE 802.11 (including IEEE 802.11p), WiFi, WiFi Direct (WiFi-D), Bluetooth®, Zigbee It may be configured to communicate signals (e.g., with the UE 200, one or more other UEs, and/or one or more other devices) according to various radio access technologies (RATs), such as the like. Wired transceiver 450 may be configured for wired communication, e.g., with NG-RAN 135, e.g., to transmit communications to and receive communications from TRP 300. and a receiver 454. Transmitter 452 may include multiple transmitters, which may be individual components or combined/integrated components, and/or receiver 454 may include multiple transmitters, which may be individual components or combined/integrated components. May include receivers. Wired transceiver 450 may be configured for optical communication and/or electrical communication, for example.

[0068] The configuration of server 400 shown in FIG. 4 is an example and not a limitation of the disclosure, including the claims, and other configurations may be used. For example, wireless transceiver 440 may be omitted. Additionally or alternatively, the description herein may be that server 400 is configured to perform or performs several functions, but one or more of these functions is performed by TRP 300 and/or UE 200. (i.e., TRP 300 and/or UE 200 may be configured to perform one or more of these functions).

[0069] 5A and 5B, example downlink PRS resource sets are shown. Typically, a PRS resource set spans one base station (e.g., TRP 300) with the same periodicity, common muting pattern configuration, and same repetition factor across slots. It is a collection of PRS resources. The first PRS resource set 502 includes 4 resources, and a repetition factor of 4 with a time-gap equal to 1 slot. The second PRS resource set 504 includes 4 resources, and a repetition factor of 4 with a time-gap equal to 4 slots. The repetition factor indicates the number of times each PRS resource is repeated in each single instance of the PRS resource set (e.g., values 1, 2, 4, 6, 8, 16, 32). A time-gap is between two repeated instances of a PRS resource corresponding to the same PRS resource ID within a single instance of the PRS resource set (e.g., values 1, 2, 4, 8, 16, 32). Indicates the offset in units of slots. The time period spanned by one PRS resource set containing repeated PRS resources does not exceed the PRS-periodicity. Repetition of PRS resources allows combining RF gains to increase coverage and receiver beam sweeping across repetitions. Repetition can also enable intra-instance muting.

[0070] 6, example subframe and slot formats for positioning reference signal transmissions are shown. Example subframe and slot formats are included within the PRS resource sets shown in FIGS. 5A and 5B. The subframes and slot formats in FIG. 6 are examples and not limitations, and include comb-2 with 2 symbol format 602, comb-4 with 4 symbol format 604, 12 symbol format 606. Com-2 with comb-4 with 12 symbol format 608, comb-6 with 6 symbol format 610, comb-12 with 12 symbol format 612, comb-4 with 6 symbol format 614 Comb-2, and Comb-6 with 12 symbol format 616. Typically, a subframe may contain 14 symbol periods with indices 0 to 13. Subframe and slot formats can be used for Physical Broadcast Channel (PBCH). Typically, a base station may transmit a PRS from antenna port 6 on one or more slots within each subframe configured for PRS transmission. The base station may avoid transmitting PRS on resource elements assigned to PBCH, primary synchronization signal (PSS), or secondary synchronization signal (SSS), regardless of its antenna ports. A cell can generate reference symbols for the PRS based on the cell ID, symbol period index, and slot index. In general, the UE may be able to distinguish PRS from different cells.

[0071] The base station can transmit PRS on a specific PRS bandwidth that can be configured by higher layers. The base station may transmit the PRS on subcarriers spaced apart across the PRS bandwidth. The base station may also transmit PRS based on parameters such as PRS periodicity TPRS, subframe offset PRS, and PRS period NPRS. PRS periodicity is the periodicity at which the PRS is transmitted. The PRS periodicity may be, for example, 160, 320, 640, or 1280 ms. Subframe offset indicates the specific subframes in which the PRS is transmitted. And the PRS period indicates the number of consecutive subframes in which PRS is transmitted in each period (PRS opportunity) of PRS transmission. The PRS period may be, for example, 1, 2, 4, or 6 ms.

[0072] PRS periodicity TPRS and subframe offset PRS may be carried through the PRS configuration index IPRS. PRS configuration index and PRS period can be independently configured by higher layers. The set of NPRS consecutive subframes in which a PRS is transmitted may be referred to as a PRS opportunity. Each PRS opportunity can be enabled or muted, for example, the UE can apply a muting bit to each cell. A PRS resource set is a set of PRS resources across base stations that have the same periodicity, common muting pattern configuration, and same repetition factor across slots (e.g., 1, 2, 4, 6, 8, 16, 32 slots). It is a set.

[0073] In general, the PRS resources shown in FIGS. 5A and 5B may be a set of resource elements used for PRS transmission. A set of resource elements may span a number of physical resource blocks (PRBs) in the frequency domain and N (eg, 1 or more) consecutive symbol(s) within a slot in the time domain. In a given OFDM symbol, the PRS resource occupies consecutive PRBs. A PRS resource is described by at least the following parameters: PRS resource identifier, sequence ID, comb size-N, resource element offset in the frequency domain, start slot and start symbol, number of symbols per PRS resource (i.e. , duration of PRS resources), and QCL information (e.g., QCL with other DL reference signals). Currently, one antenna port is supported. Comb size indicates the number of subcarriers in each symbol carrying a PRS. For example, a comb-size of comb-4 means that every fourth subcarrier of a given symbol carries a PRS.

[0074] A PRS resource set is a set of PRS resources used for transmission of PRS signals, where each PRS resource has a PRS resource ID. Additionally, PRS resources within a PRS resource set are associated with the same transmit-receive point (e.g., TRP 300). Each of the PRS resources in the PRS resource set has the same periodicity, common muting pattern, and same repetition factor across slots. A PRS resource set is identified by a PRS resource set ID and may be associated with a specific TRP (identified by a cell ID) transmitted by the base station's antenna panel. A PRS resource ID within a PRS resource set may be associated with an omnidirectional signal and/or a single beam (and/or beam ID) transmitted from a single base station (where the base station may transmit one or more beams). Each PRS resource of a PRS resource set may be transmitted on a different beam, and as such, a PRS resource or simply a resource may also be referred to as a beam. Note that this does not have any implications as to whether the base stations and PRS transmit beams are known to the UE.

[0075] 7, a diagram of an example positioning frequency layer 700 is shown. In an example, positioning frequency layer 700 may be a collection of PRS resource sets across one or more TRPs. The positioning frequency layer may have the same subcarrier spacing (SCS) and cyclic prefix (CP) type, the same point-A, the same value of DL PRS bandwidth, the same start PRB, and the same value of comb-size. Numerologies supported for PDSCH may be supported for PRS. Each of the PRS resource sets in the positioning frequency layer 700 is a set of PRS resources across one TRP with the same periodicity, common muting pattern configuration, and same repetition factor across slots.

[0076] The terms positioning reference signal and PRS refer to PRS signals, navigation reference signals (NRS) in 5G, downlink position reference signals (DL-PRS), uplink position reference signals (UL-PRS), and sidelink positioning reference signals (SL-PRS). ), TRS (tracking reference signals), CRS (cell-specific reference signals), CSI-RS (channel state information reference signals), PSS (primary synchronization signals), SSS (secondary synchronization signals), SRS (sounding reference signals), etc. Note that the same, but not limited to, reference signals can be used for positioning.

[0077] The UE's ability to process PRS signals may vary based on the UE's capabilities. However, in general, industry standards can be developed to establish common PRS capabilities for UEs within a network. For example, an industry standard may require the duration of a DL PRS symbol in milliseconds (ms) that the UE can process every T ms, assuming the maximum DL PRS bandwidth in MHz supported and reported by the UE. there is. By way of examples and not limitations, the maximum DL PRS bandwidth for FR1 bands may be 5, 10, 20, 40, 50, 80, 100 MHz, and for FR2 bands may be 50, 100, 200, 400 MHz. there is. Standards may also indicate DL PRS buffering capability as Type 1 (i.e., sub-slot/symbol level buffering) or Type 2 (i.e., slot level buffering). Common UE capabilities may indicate the duration of DL PRS symbols N in ms that the UE can process every T ms, assuming the maximum DL PRS bandwidth in MHz supported and reported by the UE. Exemplary T values may include 8, 16, 20, 30, 40, 80, 160, 320, 640, 1280 ms, and exemplary N values may include 0.125, 0.25, 0.5, 1, 2, 4, 6, Can include 8, 12, 16, 20, 25, 30, 32, 35, 40, 45, and 50 ms. The UE may be configured to report a combination of (N, T) values per band, where N is the DL in ms processed every T ms for a given maximum bandwidth (B) in MHz supported by the UE. This is the period of PRS symbols. In general, the UE may not be expected to support DL PRS bandwidth exceeding the reported DL PRS bandwidth value. UE DL PRS processing capability may be defined for a single positioning frequency layer 700. UE DL PRS processing capabilities may be independent of DL PRS comb factor configurations as shown in FIG. 6. The UE processing capability may indicate the maximum number of DL PRS resources the UE can process in a slot under this capability. For example, the maximum number for FR1 bands could be 1, 2, 4, 6, 8, 12, 16, 24, 32, 48, 64 for each SCS: 15 kHz, 30 kHz, 60 kHz and , the maximum number for FR2 bands can be 1, 2, 4, 6, 8, 12, 16, 24, 32, 48, 64 for each SCS: 15 kHz, 30 kHz, 60 kHz, 120 kHz. . The UE may be configured to support additional positioning frequency layers (e.g., 2, 3, 4, etc.), such that each positioning frequency layer has different PRS resources, different PRS resource sets, and/or PRS resources and PRS May contain different combinations of resource sets.

[0078] Referring to Figure 8A, a diagram 800 is shown where a UE 802 receives downlink positioning reference signals. Diagram 800 shows a UE 802 and a plurality of base stations including a first base station 804, a second base station 806, and a third base station 808. UE 802 may have some or all of the components of UE 200, and UE 200 may be an example of UE 802. Each of base stations 804, 806, 808 may have some or all of the components of TRP 300, and TRP 300 may be an example of one or more of base stations 804, 806, 808. In operation, UE 802 may be configured to receive one or more reference signals, such as first reference signal 804a, second reference signal 806a, and third reference signal 808a. Reference signals 804a, 806a, 808a may be DL PRS or other positioning signals that may be received/measured by UE 802. Reference signals 804a, 806a, and 808a may be based on PRS resources indicated in the positioning frequency layer 700. In an example, reference signals 804a, 806a, and 808a may be transmitted via a 5G NR Uu interface. Although the diagram 800 shows three reference signals, fewer or more reference signals may be transmitted by base stations and detected by UE 802. In general, DL PRS signals in NR may be configured reference signals transmitted by base stations 804, 806, 808 and used for the purpose of determining individual ranges between the UE 802 and the transmitting base stations. It can be. UE 802 may also be configured to transmit uplink PRS (UL PRS, SRS for positioning) to base stations 804, 806, 808, and the base stations may be configured to measure UL PRS. In an example, combinations of DL and UL PRS may be used in a positioning procedure (eg, RTT).

[0079] Referring to Figure 8B, a diagram 850 is shown where a UE 802 receives sidelink positioning reference signals. Diagram 850 shows a UE 802 and a plurality of neighboring stations including a first neighboring UE 852, a second neighboring UE 854, and a third neighboring station 856. UE 802 and neighboring UEs 852, 854 may each have some or all of the components of UE 200, and UE 200 is an example of UE 802 and neighboring UEs 852, 854. You can. Station 856 may have some or all of the components of TRP 300, and TRP 300 may be an example of station 856. In an embodiment, station 856 may be a roadside unit (RSU) within a V2X network and may be configured to communicate with UE 802 via a sidelink (SL), such as a PC5 interface. In operation, the UE 802 may use Physical Sidelink Shared Channel (PSSCH), Physical Sidelink Control Channel (PSCCH), Physical Sidelink Broadcast Channel (PSBCH), Sidelink Shared Channel (SL-SCH) or sidelink channels, and other D2D channels. Can be configured to receive one or more SL reference signals 852a, 854a, 856a through SL channels such as interfaces. In an example, the reference signals may use a D2D interface such as the PC5 interface. Reference signals 852a, 854a, 856a may be SL PRS transmitted by one or more of neighboring UEs 852, 854 or station 856. Figure 850 shows three reference signals, but fewer or more reference signals may be transmitted by UEs 852, 854 and/or station 856. In an embodiment, SL reference signals 852a, 854a, 856a may be SL PRS and may be included in positioning frequency layer 700 as a SL PRS resource set. In an example, exchanges of SL PRS transmissions between stations can be used in various positioning procedures such as RTT, Rx-Tx, RSTD, TDoA, and other techniques as known in the art.

[0080] 9A and 9B, example signal flow diagrams of sequential positioning frequency layer detection processes are shown. In the first signal flow 900 shown in FIG. 9A, a wireless node, such as UE 105, and a network server, such as LMF 120, may initiate a positioning session at stage 902. The first signal flow 900 includes a PFL detection phase 926 and a PFL measurement phase 928. In the PFL detection phase 926, the LMF 120 sends a capability request message ( 904) can be provided. In an example, PFL and PRS resource information may be provided to network stations via one or more system information blocks (SIBs) transmitted via Radio Resource Control (RRC) signaling. In an example, UE 105 may send a capability provision message 906 that includes an indication of the number of PFLs it can support. In the example of Figure 9A, the maximum number of PFLs that UE 105 can support is 1. LMF 120 provides a series of assistance data messages containing information about positioning frequency layers that UE 105 can use for positioning (e.g., based on configurations of PRS resources on neighboring stations). can do. Auxiliary data may include PRS resource parameters or index values associated with PFL and/or PRS resource information transmitted via RRC. In an example, first auxiliary data 908 may include PRS configuration information associated with a first PFL (eg, PFL 1). After receiving the first assistance data 908, the UE 105 may obtain PRS measurements based on the first PFL at stage 910. LMF 120 is associated with other PFLs, such as second auxiliary data 912 for a second PFL (e.g., PFL2) and third auxiliary data 916 associated with a third PFL (e.g., PFL3). It is configured to transmit additional auxiliary data. UE 105 is configured to obtain PRS measurements based on the second PFL at stage 914 and the third PFL at stage 918, as shown in first signal flow 900. In an embodiment, at stage 920, UE 105 is configured to determine a preferred PFL based on measurements obtained in previous stages 910, 914, and 918. In an example, the preferred PFL is the number of TRPs/PRS resources detected in each of the PFLs, or the quality of measurements (e.g., RSTD, UE Rx-Tx), or line of sight (LOS)/NLOS (non-LOS) for PRS. Measurements may be based on one or more performance indicators, such as indications of line of sight, or combinations of performance indicators. UE 105 may provide one or more measurement report messages 922 based on the preferred PFL selected at stage 920. Measurement report messages 922 may include measurement values of the PRS from a preferred PFL (eg, only one PFL). In the PFL measurement phase 928, LMF 120 may configure neighboring stations to provide PRS using the preferred PFL. At stage 924, the positioning session continues based on the preferred PFL.

[0081] In an embodiment, UE 105 may be configured to select a preferred PFL based on the priority values of PRS resources within the PFLs and report measurements obtained with the PFL with the highest priority. In an example, a legacy UE may be configured to measure the first PFL (e.g., PFL1) because it is received first and then ignores the PRS transmitted in subsequent PFLs. .

[0082] Referring to FIG. 9B, the second signal flow 950 for sequential positioning frequency layer detection is similar to the first signal flow 900 in FIG. 9A when the LMF 120 is configured to determine the preferred PFL. similar. For example, the UE 105 may obtain PRS measurements for the first PFL at stage 910 and then send a first measurement report message 910a based on the first PFL measurements. there is. The UE 105 also sends a second measurement report message 914a based on the PRS measurement values associated with PFL2 obtained at stage 914, and based on the PRS measurement values associated with PFL3 obtained at stage 918. Thus, the third measurement report message 918a can be transmitted. At stage 954, LMF 120 or another network entity may determine a preferred PFL for UE 105 based on measurement report messages 910a, 914a, and 918a. The PFL measurement phase 928 may continue based on the PFL selected in stage 954.

[0083] 10A and 10B, example signal flow diagrams of positioning frequency layer detection processes based on the capabilities of a wireless node are shown. In the first signal flow 1000 shown in FIG. 10A, a wireless node, such as UE 105, and a network server, such as LMF 120, initiate a positioning session at stage 1002. The first signal flow 1000 includes a PFL detection phase 1026 and a PFL measurement phase 1028. In the PFL detection phase 1026, the LMF 120 sends a capability request message ( 1004) can be provided. In this example, UE 105 may be configured to support multiple PFLs (e.g., 3) during the detection phase and a single PFL during the measurement phase. In an example, the number of PFLs that the UE 105 can support in the detection phase is the total number of frequency layers that the UE 200 can measure, or the total number of frequency layers that the UE 200 can receive in assistance data. It can be deciphered as a number. The number of PFLs supported in each phase may vary based on the capabilities of the UE and other factors such as industry standards. In an example, the UE may be configured to support additional PFLs (eg, 4, 6, 8, etc.). The UE 105 may send one or more capability offer messages 1006 to indicate that it can support three PFLs in the PFL detection phase 1026 and one PFL in the PFL measurement phase 1028. LMF 120 or another network entity may use the content of the capability provision message 1006 to generate assistance data for UE 105. For example, LMF 120 may provide one or more assistance data messages 1008 that include PRS resource information associated with three PFLs (e.g., PFL1, PFL2, PFL3). In an example, auxiliary data messages 1008 may include an index or other identification values associated with PRS resources and/or PFLs. Auxiliary data messages 1008 may be provided via LPP, RRC, or other signaling methods. In an example, assistance data may be included in one or more SIBs transmitted from the gNB. UE 105 is configured to obtain measurement values for the PRS within each of the PFLs. For example, measurements associated with PFL1 are obtained at stage 1010, measurements associated with PFL2 are obtained at stage 1014, and measurements associated with PFL3 are obtained at stage 1018. PRS in different PFLs can be measured with the same priority. The number and order of measurement stages 1010, 1014, 1018 are examples and not limitations. Different numbers of stages may be used based on the capabilities of the UE (e.g., as indicated in the LMF in capability provision messages 1006). UE 105 is configured to select a preferred PFL in stage 1020 based on the measurements. In an example, the preferred PFL is the number of TRPs/PRS resources detected in each of the PFLs, or the quality of measurements (e.g. RSTD, UE Rx-Tx), or indications of LOS/NLOS for PRS, or performance indication. Measurements may be based on one or more performance indicators, such as combinations of these. UE 105 may provide one or more measurement report messages 1022 based on the preferred PFL selected at stage 1020. Measurement report messages 1022 may include measurement values of the PRS from a preferred PFL (eg, only one PFL). In the PFL measurement phase 1028, the LMF 120 is activated at stage 1020 via one or more activation messages 1030 in neighboring stations to provide a PRS to the UE 105 based on the preferred PFL. You can activate the selected PFL. At stage 1024, the positioning session continues based on the preferred PFL.

[0084] Referring to FIG. 10B, the second signal flow 1050 for the positioning frequency layer detection process is similar to the first signal flow 1000 in FIG. 10A when the LMF 120 is configured to determine the preferred PFL. do. For example, UE 105 may receive PRS measurements for a first PFL at stage 1010, PRS measurements associated with PFL2 at stage 1014, and PRS measurements associated with PFL3 at stage 1018. It can be obtained. UE 105 may provide one or more measurement report messages 1052 based on measurements obtained in stages 1010 , 1014 , and 1018 . At stage 1054, LMF 120 or another network entity may determine a preferred PFL for UE 105 based on measurement report messages 1052. LMF 120 may activate the selected PFL in the PFL measurement phase 1028 and continue the positioning session based on the PFL selected in stage 1054.

[0085] In an example, when UE 105 is configured to support X PFLs and receives assistance data containing information about Y PFLs (where Y > PFL information may be provided in one or more location request messages to update the priority of processing multiple PFLs. In a first example, LMF 120 may instruct UE 105 to measure all Y PFLs (e.g., in a TDM fashion) and report back the measurements for all PFLs. In a second example, the UE 105 may be instructed to measure only one of the Y PFLs (depending on the priority value) and report the measurements. UE 120 may be configured to measure the X highest priority PFLs.

[0086] 11A and 11B, example signal flow diagrams of positioning frequency layer detection processes for multiple wireless protocols are shown. In a first signal flow 1100, a wireless node, such as UE 105, and a network entity, such as LMF 120, initiate a positioning session at stage 1102. The first signal flow 1100 includes a PFL detection phase 1136 and a PFL measurement phase 1138. In the PFL detection phase 1136, the LMF 120 sends a capability request message ( 1104) can be provided. In this example, UE 105 may be configured to support multiple PFLs with multiple wireless protocols. For example, UE 105 may be configured to receive DL PRS from base stations over the Uu interface as described in FIG. 8A. UE 105 may also be configured to receive SL PRS via a D2D interface (eg, PC5) as described in FIG. 8B. Other protocols and interfaces may also be used. In an example, UE 105 also transmits UL PRS (e.g., SRS for positioning) over the Uu interface and SL PRS over the D2D interface to other wireless nodes (e.g., UEs, APs, RSUs). ) can be configured to transmit. In the example in FIG. 11A , UE 105 may use one Uu PFL and one SL PFL in measurement phase 1138. UE 105 is also configured to measure 3 Uu PFLs and 3 SL PFLs in detection phase 1136. The number of PFLs and protocols/interfaces that UE 105 can receive is an example and not a limitation, as other combinations of numbers and protocols may also be used. UE 105 receives 1 Uu PFL and 1 SL PFL in the measurement phase 1138, and 3 Uu PFLs and 3 SL PFLs (e.g., [3, 3]) in the detection phase 1136. One or more capability providing messages 1106 indicating that it can be performed are transmitted. LMF 120 or another network entity may use the content of the capability provision message 1106 to generate assistance data for UE 105. For example, LMF 120 may provide one or more assistance data messages 1108 that include PRS resource information associated with three Uu PFLs and three SL PFLs. In an example, auxiliary data messages 1108 may include an index or other identification values associated with DL PRS and SL PRS resources and/or Uu and SL PFLs.

[0087] UE 105 obtains DL PRS measurements for the PRS transmitted in the first Uu PFL in stage 1110, the second Uu PFL in stage 1114, and the third Uu PFL in stage 1118 with the same priority. To do this, auxiliary data messages 1108 can be used. UE 105 also performs SL PRS measurements for PRS transmitted in the first SL PFL in stage 1120, the second SL PFL in stage 1122, and the third SL PFL in stage 1124 with the same priority. Auxiliary data messages 1108 may be used to obtain them. UE 105 may use the measurements to select preferred PFLs at stage 1126. In an example, the UE 105 may determine the number of TRPs/PRS resources detected in each of the PFLs, or the quality of measurements (e.g., RSTD, UE Rx-Tx), or indications of LOS/NLOS for PRS, or respectively The preferred Uu PFL and preferred SL PFL may be selected based on one or more performance indicators associated with the measurements, such as combinations of performance indicators for an individual interface/protocol. In an example, UE 105 may select a single preferred PFL (eg, either Uu PFL or SL PFL) based on performance indicators.

[0088] UE 105 may transmit one or more measurement report messages 1128 based on the selected PFL(s). In an example, measurement report messages 1128 may indicate a preferred Uu PFL and a preferred SL PFL, or a single preferred PFL. Measurement report messages 1128 may include measurement values obtained from the PRS within the selected PFL(s). LMF 120 may be configured to activate preferred PFLs in stage 1130. In the PFL measurement phase 1138, LMF 120 receives one or more activation messages in neighboring stations ( The PFL(s) selected in the stage 1162 can be activated through 1130). At stage 1132, the positioning session continues based on the preferred PFL(s).

[0089] Referring to FIG. 11B, the second signal flow 1150 for the positioning frequency layer detection detection process is as shown in FIG. 11A when LMF 120 is configured to provide Uu and SL assistance in series in detection phase 1136. It is similar to the first signal flow 1100 of . For example, LMF 120 enables UE 105 to measure PRS in the first Uu PFL, second Uu PFL, and third Uu PFL and in respective stages 1110, 1114, and 1118. For this, one or more Uu PFL auxiliary data messages 1154 may be provided. UE 105 may select a preferred Uu PFL at stage 1156 and provide one or more measurement report messages 1158 to LMF 120 based on the selected Uu PFL. Upon receipt of measurement report messages 1158, or other timing functions (e.g., timeout period), LMF 120 may continue in detection phase 1136 and determine the capabilities of UE 105 (e.g. , one or more SL PFL assistance data messages 1160 may be transmitted based on the capability provision messages 1106). UE 105 may measure PRS in one or more SL PFLs based on assistance data, such as measurements obtained in stages 1120, 1122, and 1124. UE 105 may select a preferred SL PFL at stage 1162 and send one or more measurement report messages 1164 based on the selected SL PFL. In measurement phase 1138, LMF 120 may activate the Uu PFL selected in stage 1156 and the SL PFL selected in stage 1162. The positioning session continues at stage 1132 based on the selected PFL(s).

[0090] Signal flows 1100, 1150 in FIGS. 11A and 11B use UE 105 to select a preferred Uu PFL and SL PFL, but the disclosure is not so limited. For example, LMF 120 or another network entity is configured to select Uu PFL and/or SL PFL based on measurement reports provided by UE 105, as described in FIGS. 9B and 10B. It can be. Additionally, the number of Uu and SL PFLs that the UE can measure in detection and/or measurement phases may vary. For example, the UE may be configured to measure X1 Uu PFLs in the detection phase, X2 Uu PFLs in the measurement phase, Y1 SL PFLs in the detection phase, and Y2 SL PFLs in the measurement phase, where , X1 is not equal to X2, which is not equal to Y1, which is not equal to Y2. In other examples, X1 may be the same as Y1 and X2 may be the same as Y2.

[0091] In an embodiment, the preferred Uu PFL and preferred SL PFL may be selected based on legacy priority values assigned to PRS resources and/or PFLs.

[0092] Referring to Figure 12A with further reference to Figures 1-11B, a method 1200 for performing a positioning frequency layer detection process includes the stages shown. However, method 1200 is illustrative and not limiting. Method 1200 can be modified, for example, by having stages added, removed, rearranged, combined, performed simultaneously, and/or having single stages split into multiple stages. UE 105 and/or LMF 120 are instrumental for performing method 1200.

[0093] At stage 1202, the method includes performing a positioning frequency layer detection process. In an example, referring to FIGS. 9A and 9B , LMF 120 may be configured to initiate different PFLs sequentially and UE 105 may be configured to perform and report back PRS measurements. In an example, referring to FIGS. 10A, 10B, 11A, and 11B, UE 105 is configured to report detection measurement phase capabilities, such as the maximum number of PFLs for the detection phase and the maximum number of PFLs for the measurement phase. It can be configured. LMF 120 may provide assistance data based on the capabilities of UE 105. In examples, the assistance data may be based on different wireless protocols and/or interfaces. UE 105 may be configured to obtain PRS measurements in multiple PFLs based at least in part on assistance data.

[0094] At stage 1204, the method includes determining a preferred positioning frequency layer based on a positioning frequency layer detection process. In an example, UE 105 or LMF 120 may determine the number of TRPs/PRS resources detected in each of the PFLs, or the quality of measurements (e.g., RSTD, UE Rx-Tx), or the LOS/NLOS for PRS. may be configured to determine preferred PFLs based on one or more performance indicators associated with PRS measurements, such as indications, or combinations of performance indicators. In an example, a preferred PFL may be selected for each of a plurality of different wireless protocols used to transmit reference signals. The selected PFL can be stored for a given UE and used in future positioning sessions.

[0095] At stage 1206, the method includes measuring one or more positioning reference signals based on a preferred positioning frequency layer. In an example, LMF 120 may activate a preferred PFL and deactivate other PFLs (eg, unselected PFLs). The positioning session may continue in the measurement phase based on the preferred PFL. In an example, the preferred PFL may be valid for a period of time T1 (e.g., msec, sec, min, hour, day), and LMF 120 may stage ( 1202) can be repeated again. In an example, the UE 105 may be moving and the LMF may be configured to perform the detection process more frequently. For example, the UE may perform a detection phase, then report PRS measurements based on the preferred PFL every 2 seconds in the measurement phase, and then after a period of time (e.g., 64 seconds) in the detection phase. It can be configured to perform again. Other time periods and/or conditions, such as quality values for PRS measurements, may be used to trigger the detection process.

[0096] 12B with further reference to FIGS. 1-11B, a method 1250 for determining a preferred positioning frequency layer includes the stages shown. However, method 1250 is illustrative and not limiting. Method 1250 can be modified, for example, by having stages added, removed, rearranged, combined, performed simultaneously, and/or having single stages split into multiple stages. In an example, method 1250 may be performed during a PFL detection phase to select a PFL for use in a later PFL measurement phase.

[0097] At stage 1252, the method includes obtaining measurements on positioning reference signals within a plurality of positioning frequency layers. UE 200, including transceiver 215 and general purpose processor 230, is a means for obtaining measurements. UE 200 may receive assistance data from a network entity, such as LMF 120, associated with a plurality of PFLs. In an example, assistance data may be obtained through RRC signaling or through other broadcast signals. 8A and 8B, neighboring wireless nodes, such as base stations (eg, gNBs, RSUs) and other user equipment, may be configured to transmit PRS. PRS may be based on different bands and may experience different path losses, or other factors that may differentiate the quality of the resulting measurements. Measurements may include RSRP, RSRQ, RTT, Rx-Tx, ToF, SNR, LOS/NLOS (peak timing), and other reference signal measurements as known in the art.

[0098] At stage 1254, the method includes evaluating one or more performance indicators based on the measurements. UE 200, including transceiver 215 and general purpose processor 230, is a means for evaluating one or more performance indicators. UE 200 may be configured to evaluate measurements locally and/or provide measurements to a network resource (e.g., LMF 120) for evaluation. For example, UE 200 may provide one or more measurement report messages to LMF 120 through LPP signaling. In an example, evaluating may include assigning a timing quality value (e.g., between 0 and 51) based on measurements. The evaluation may include comparing the number of TRPs/PRS resources measured in each PFL. The evaluation may include determining PFLs with the most LOS PRS. Different signal characteristics obtained from a PFL can be compared with individual characteristics obtained from other PFLs to determine the relative performance of the PFLs.

[0099] At stage 1256, the method includes determining a preferred positioning frequency tier based on one or more performance indicators. UE 200, including transceiver 215 and general purpose processor 230, is instrumental for determining the preferred PFL. In an example, the preferred PFL may be based on one or more performance indicators associated with measurements obtained at stage 1254. For example, the preferred PFL may be determined by the number of TRPs/PRS resources detected in the PFL, or the quality of measurements (e.g. RSTD, UE Rx-Tx), or indications of LOS for PRS, or these and other performance indications. It can be based on combinations of these. In an embodiment, UE 200 may determine a preferred PFL and may provide an indication of the preferred PFL to a network entity (e.g., LMF 120). LMF 120 may be configured to receive PRS measurements from UE 200 and determine a preferred PFL based on the measurements.

[0100] Referring to Figure 13 with further reference to Figures 1-12B, a method 1300 for reporting positioning reference signal measurements includes the stages shown. However, method 1300 is illustrative and not limiting. Method 1300 can be modified, for example, by having stages added, removed, rearranged, combined, performed simultaneously, and/or having single stages split into multiple stages.

[0101] At stage 1302, the method includes providing capability information including an indication of the number of positioning frequency layers that should be included in a single measurement report, and an indication of the number of positioning frequency layers that can be measured simultaneously. The UE 200, which includes a general-purpose processor 230 and a transceiver 215, is a means for providing capability information. In an example, a wireless node, such as UE 200, may be configured to transmit one or more capability offering messages to a network entity via NAS/LPP messaging, or other signaling techniques, such as RRC. For example, during a PFL detection phase (e.g., detection phases 926, 1026, 1136), a wireless node and a network entity may exchange capability messages to report the capabilities of the wireless node. An indication of the number of PFLs that should be included within a single measurement report may be the maximum number of PFLs that the UE 200 can measure in a detection phase (i.e., the maximum PFL observed phase parameter). An indication of the number of PFLs to be included in a single measurement report also conveys the total number of frequency layers that the UE 200 can measure, or the total number of frequency layers that the UE 200 can receive in assistance data. can do. An indication of the number of PFLs that can be measured simultaneously is the number of PFLs that the UE 200 can support in a measurement phase (i.e., the maximum PFL measurement phase parameter). Different wireless nodes may have different hardware and software capabilities. For example, different wireless nodes may be configured to operate in different frequency bands and/or may be capable of processing larger bandwidths. Other configuration aspects of the wireless node and/or network may determine how many PFLs the wireless node can support. In an example, a wireless node may have the capability to measure PRS in multiple PFLs during a detection phase and then in a measurement phase to measure PRS in a single PFL. Other combinations are also possible based on the capabilities of the wireless node. For example, referring to FIGS. 11A and 11B, a wireless node may be configured to measure PRS at multiple PFLs based on different wireless interfaces. Capability information may include an indication of at least one wireless interface, such as a Uu interface and a sidelink interface. Other interfaces and protocols may also be used.

[0102] At stage 1304, the method includes receiving positioning assistance data including positioning reference signal configuration information. The UE 200, which includes a general-purpose processor 230 and a transceiver 215, is a means for receiving positioning assistance data. Positioning assistance data may be received from a network station such as TRP 300 (e.g., LPP, RRC, etc.), or from other wireless nodes such as an RSU or UE (e.g., via a D2D sidelink). Auxiliary data may include PRS information, such as PRS resource parameters and/or PRS identification information, associated with one or more PFLs. In an example, a network entity (eg, LMF 120) may provide one or more assistance data messages based on the capabilities of the wireless node. In an example, referring to FIGS. 9A and 9B , when a wireless node is able to measure one positioning frequency layer to be included within a single measurement report, the assistance data may be sent in multiple messages (e.g., first, second, and third auxiliary data messages 908, 912, 916). In an example, referring to FIGS. 10A and 10B , when a wireless node may utilize multiple PFLs in a detection or measurement phase, positioning assistance data is associated with a plurality of PFLs (e.g., assistance data messages 1008). It may include PRS resource parameters and/or PRS identification information. In an example, referring to FIG. 11A, when a wireless node can measure PRS associated with different air interfaces, the positioning assistance data may also include PRS information for the different air interfaces. Other variations of assistance data may be used to enable the wireless node to measure the PRS that is within range of the wireless node's capabilities.

[0103] At stage 1306, the method includes measuring positioning reference signals at the number of positioning frequency layers to be included in a single measurement report based at least in part on assistance data. The UE 200, which includes a general-purpose processor 230 and a transceiver 215, is a means for measuring PRS in the number of PFLs. The UE 200 may use auxiliary data to perform PRS measurements, such as RSRP and RSRP, on the PRS transmitted in one or more PFLs. In an example, UE 200 may be configured to measure PRS in each of the PFLs through time-division multiplexing (TDM) techniques. For example, referring to FIGS. 10A and 10B, the UE 200 may obtain PRS measurements at PFL1, PFL2, and PFL3 in a time sequence, and then a single measurement report is sent to the LMF (120). ) will be transmitted. Other PRS measurements such as RSTD, UE Rx-Tx, LOS/NLOS, and ToF information may also be obtained and reported. In an example, UE 200 may be configured to count the number of TRP/PRS resources that UE 200 receives in each PFL. Measurements can be stored in memory 211 and used to determine a preferred PFL. In an example, the resulting measurements may be provided to a network entity to determine a preferred PFL for UE 200.

[0104] At stage 1308, the method includes transmitting a single measurement report. UE 200, including general purpose processor 230 and transceiver 215, is a means for transmitting a single measurement report. In operation, a single measurement report may include multiple measurement report messages. In the example, referring to FIG. 10A , the PRS single measurement report is an indication of the preferred PFL determined by the UE 200 at stage 1020 to enable the LMF to activate the selected PFL in measurement phase 1028. It may be measurement report messages 1022 including. In the example, referring to FIG. 10B, a single measurement report may include one or more measurement reports that include PRS measurements obtained at stage 1306 to enable LMF 120 to select a preferred PFL at stage 1054. These may be messages 1052. In an example, a single measurement report may include both PRS measurement values and an indication of the preferred PFL.

[0105] 14 with further reference to FIGS. 1-12B, a method 1400 for configuring network nodes based on a preferred positioning frequency layer includes the stages shown. However, method 1400 is illustrative and not limiting. Method 1400 can be modified, for example, by having stages added, removed, rearranged, combined, performed simultaneously, and/or having single stages split into multiple stages.

[0106] At stage 1402, the method includes receiving capability information from the wireless node, including an indication of the number of positioning frequency layers to be included in a single measurement report, and an indication of the number of positioning frequency layers that can be measured simultaneously. . Server 400, such as LMF 120 including processor 410 and transceiver 415, is a means for receiving capability information. In an example, a wireless node may be UE 200 and may be configured to transmit one or more capability offering messages to LMF 120 via NAS/LPP messaging, or other signaling techniques, such as RRC over a serving cell. During the PFL detection phase (e.g., detection phases 926, 1026, 1136), LMF 120 and the wireless node may exchange capability messages to report the wireless node's capabilities. In an example, referring to FIGS. 11A and 11B, a wireless node may indicate that the wireless node is configured to measure PRS at multiple PFLs based on different wireless interfaces. The indication of the number of positioning frequency layers to be included in a single measurement report may include an indication of at least one air interface, such as a Uu interface and a sidelink interface. Other interfaces and protocols may also be used.

[0107] At stage 1404, the method includes providing positioning assistance data including positioning reference signal configuration information based on the number of positioning frequency layers to be included within a single measurement report. The server 400, including the processor 410 and the transceiver 415, is a means for providing auxiliary data. Positioning assistance data is transmitted to the wireless node via one or more network nodes such as TRP 300 (e.g., LPP, RRC, etc.), or to other wireless nodes such as RSU or other UEs (e.g., via D2D sidelink). can be provided. Auxiliary data may include PRS information, such as PRS resource parameters and/or PRS identification information, associated with one or more PFLs. LMF 120 may provide one or more assistance data messages based on the capabilities of the wireless node. In an example, referring to FIGS. 9A and 9B, when a wireless node can support a single PFL, the auxiliary data may be sent in multiple messages (e.g., first, second, and third auxiliary data messages 908, 912). , 916)) can be provided in series. In an example, referring to FIGS. 10A and 10B , when a wireless node may utilize multiple PFLs in a detection or measurement phase, positioning assistance data is associated with a plurality of PFLs (e.g., assistance data messages 1008). It may include PRS resource parameters and/or PRS identification information. In an example, referring to FIG. 11A, when a wireless node may measure PRS associated with different air interfaces, the positioning assistance data may also include PRS information for the different air interfaces. Other variations of assistance data may be used to enable the wireless node to measure the PRS that is within range of the wireless node's capabilities.

[0108] At stage 1406, the method includes receiving positioning reference signal measurement information from a wireless node. The server 400 including the processor 410 and the transceiver 415 is a means for receiving PRS measurement information. A wireless node may be configured to perform PRS measurements, such as RSRP and RSRQ, on PRS transmitted in one or more PFLs. Other PRS measurements such as RSTD, UE Rx-Tx, LOS/NLOS, and ToF information may also be obtained. In an example, the resulting measurements may be received by LMF 120 to determine a preferred PFL for UE 200. In an example, referring to Figure 10A, PRS measurement information may be included within measurement report messages 1022. In an example, the PRS measurement information may include an indication of the preferred PFL as determined by the wireless node at stage 1020. In an example, referring to FIG. 10B, the positioning reference signal measurement information may be one or more measurement report messages 1052 containing PRS measurements obtained by a wireless node. In an example, the PRS measurement information may include both PRS measurement values and an indication of the preferred PFL.

[0109] At stage 1408, the method includes configuring one or more network nodes based on the positioning reference signal measurement information. The server 400 including the processor 410 and the transceiver 415 is a means for configuring one or more network nodes. LMF 120 may be configured to determine a preferred PFL based on PRS measurement information received at stage 1406. In an example, LMF 120 provides indications of LOS for PRS based on PRS measurement information (e.g., number of TRPs/PRS resources detected in PFL, quality of measurements (e.g., RSTD, UE Rx-Tx)) , or based on combinations of these and other performance indicators). In an example, a wireless node may provide an indication of a preferred PFL. LMF 120 may activate PFL in neighboring nodes to enable the wireless node to measure DL PRS and/or SL PRS. In an example, LMF 120 may disable other PFLs that the wireless node will not measure (i.e., non-preferred PFLs). The wireless node may continue to obtain PRS measurements based on the preferred PLF through the measurement phase as previously described.

[0110] 15 with further reference to FIGS. 1-12B, a method 1500 of selecting a positioning frequency layer for a positioning session includes the stages shown. However, method 1500 is illustrative and not limiting. Method 1500 can be modified, for example, by having stages added, removed, rearranged, combined, performed simultaneously, and/or having single stages split into multiple stages.

[0111] At stage 1502, the method includes receiving capability information including an indication of the number of positioning frequency layers that the wireless node can support. Server 400, such as LMF 120 including processor 410 and transceiver 415, is a means for receiving capability information. In an example, a wireless node may be UE 200 and may be configured to transmit one or more capability offering messages to LMF 120 via NAS/LPP messaging, or other signaling techniques, such as RRC over a serving cell. During the PFL detection phase (e.g., detection phase 926), LMF 120 and the wireless node may exchange capability messages to report the wireless node's capabilities. In an example, referring to FIGS. 9A and 9B, a wireless node may indicate that the wireless node is configured to measure PRS at a single PFL (e.g., maximum PFL supported = 1). Other UEs may be configured to support additional PFLs (eg, 2, 3, 4, etc.).

[0112] At stage 1504, the method includes providing a plurality of assistance data messages to the wireless node in sequential order based on the number of positioning frequency layers that the wireless node can support. The server 400, including the processor 410 and the transceiver 415, is a means for providing a plurality of auxiliary data messages in sequential order. Positioning assistance data is transmitted to the wireless node via one or more network nodes such as TRP 300 (e.g., LPP, RRC, etc.), or to other wireless nodes such as RSU or other UEs (e.g., via D2D sidelink). can be provided. Auxiliary data may include PRS information, such as PRS resource parameters and/or PRS identification information, associated with one or more PFLs. LMF 120 may provide one or more assistance data messages based on the capabilities of the wireless node. In an example, referring to FIGS. 9A and 9B, when a wireless node can support a single PFL, the auxiliary data may be sent in multiple messages (e.g., first, second, and third auxiliary data messages 908, 912). , 916)) can be provided in series. In case the wireless node is capable of supporting multiple PFLs (e.g. ' , may include the PRS resources of the next '

[0113] At stage 1506, the method includes receiving a sequence of measurement reports from a wireless node, where each of the measurement reports is associated with one of a plurality of auxiliary data messages and the next auxiliary data message of the plurality of auxiliary data messages. Data messages are received before being presented to the wireless node. Server 400, including processor 410 and transceiver 415, is a means for receiving a sequence of measurement reports. A wireless node may be configured to perform PRS measurements, such as RSRP and RSRQ, on PRS transmitted in one or more PFLs. Other PRS measurements such as RSTD, UE Rx-Tx, LOS/NLOS, and ToF information may also be obtained. For example, referring to FIG. 9B , the sequence of measurement reports may include a first measurement report 910a, a second measurement report 914a, and a third measurement report 918a. The wireless node may receive the first auxiliary data message in the sequence (e.g., first auxiliary data message 908) and obtain PRS measurements for the first PFL at stage 910, and then: An associated first measurement report message 910a may be transmitted based on the first PFL measurements. The wireless node may receive a second auxiliary data message in the sequence (e.g., second auxiliary data message 914) and then, based on the PRS measurement values associated with PFL2 obtained at stage 914, associate A second measurement report message 914a may be transmitted. Next, the wireless node may receive a third auxiliary data message in the sequence (e.g., 3rd auxiliary data message 916), followed by PRS measurement values associated with PFL3 obtained at stage 918. The associated third measurement report message 918a may be transmitted based on . The number of auxiliary data messages and associated measurement reports are examples, as additional or fewer PFLs may be used.

[0114] At stage 1508, the method includes determining a preferred positioning frequency layer based on the sequence of measurement reports. Server 400, including processor 410 and transceiver 415, is the means for determining the preferred PFL. Server 400 may be configured to determine a preferred PFL based on sequence measurement reports received at stage 1506. In an example, referring to FIG. 12B, server 400 determines the PRS based on PRS measurement information (e.g., number of TRPs/PRS resources detected in PFL, quality of measurements (e.g., RSTD, UE Rx-Tx), PRS may be configured to determine a preferred PFL (based on indications of LOS for , or combinations of these and other performance indicators). In an example, a wireless node may provide an indication of a preferred PFL.

[0115] At stage 1510, the method includes requesting positioning measurements from the wireless node based on the preferred positioning frequency layer. Server 400, including processor 410 and transceiver 415, is a means for requesting positioning measurements. In an example, server 400 may send an LPP Request Location Information message to a wireless node indicating the preferred PFL and neighboring nodes to enable the wireless node to measure the DL PRS and/or SL PRS. You can activate PFL in . In an example, server 400 may deactivate other PFLs (i.e., non-preferred PFLs) on neighboring base stations that the wireless node will not measure. The wireless node may continue to obtain PRS measurements based on the preferred PLF throughout the measurement phase.

[0116] Other examples and implementations are within the scope of the disclosure and appended claims. For example, due to the nature of software and computers, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwiring, or a combination of any of these. Features implementing functions may also be physically located in various positions, including distributed so that portions of the functions are implemented at different physical locations. For example, one or more of the functions discussed above, or one or more portions thereof, as occurring in LMF 120 may be performed external to LMF 120, such as by TRP 300.

[0117] Unless otherwise noted, functional or other components shown in the drawings and/or discussed herein as being connected or in communication with one another are communicatively coupled. That is, they can be connected directly or indirectly to enable communication between them.

[0118] As used herein, singular forms include plural forms as well, unless the context clearly indicates otherwise. For example, “processor” may include one processor or multiple processors. As used herein, the terms “comprise,” “comprising,” “include,” and/or “including” refer to the described features, integers, Specifies the presence of steps, operations, elements, and/or components, but also specifies the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Don't rule it out.

[0119] As used herein, unless otherwise stated, a description that a function or operation is “based on” an item or condition means that the function or operation is based on the stated item or condition and that the function or operation is based on one or more items in addition to the stated item or condition. This means that it can be based on conditions and/or conditions.

[0120] Additionally, as used herein, "or" as used in a list of items (perhaps followed by "at least one of" or followed by "one or more of") indicates a disjunctive list, For example, a list of “at least one of A, B, or C”, or a list of “one or more of A, B, or C”, or a list of “A or B or C” would mean A, or B, or C, or AB (A and B), or AC (A and C), or BC (B and C), or ABC (i.e., A and B and C), or combinations with more than one characteristic (e.g. AA, AAB, ABBC, etc.) Thus, a recitation that an item, such as a processor, is configured to perform a function relating to at least one of A or B, or a recitation that an item is configured to perform a function relating to function A or B, means that the item is configured to perform a function relating to A. It means that it can be configured to perform, can be configured to perform functions related to B, or can be configured to perform functions related to A and B. For example, the phrases “processor configured to measure at least one of A or B” or “processor configured to measure A or B” mean that the processor may be configured to measure A ( and may or may not be configured to measure B), may be configured to measure B (and may or may not be configured to measure A), or may be configured to measure A and B. (and can be configured to select whether to measure either A or B or both). Similarly, citation of a means for measuring at least one of A or B means a means for measuring A (which may or may not be possible to measure B), or a means for measuring B (and A means a means for measuring A and B (which may or may not be configured to measure), or (which may choose to measure either or both A and B). As another example, a citation that an item, such as a processor, is configured to perform at least one of performing function X or performing function Y means that the item can be configured to perform function X or to perform function Y. It means that it can be configured, or can be configured to perform function X and to perform function Y. For example, the phrase “processor configured to do at least one of measure X or measure Y” means that the processor may be configured to measure X (and may or may not be configured to measure Y). can be configured to measure Y (and may or may not be configured to measure X), or can be configured to measure X and Y (and either or both means that it can be configured to choose whether to measure). Substantial changes can be made according to specific requirements. For example, customized hardware may also be used, and/or certain elements may be implemented in hardware, software executed by a processor (including portable software such as applets, etc.), or both. there is. Additionally, connections to other computing devices, such as network input/output devices, may be employed.

[0121] The systems and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, features described with respect to certain configurations may be combined in various other configurations. Different aspects and elements of the configurations may be combined in a similar manner. Additionally, technology evolves and, therefore, many elements are examples and do not limit the scope of the disclosure or claims.

[0122] A wireless communication system is one in which communications are carried wirelessly, that is, by electromagnetic and/or acoustic waves that propagate through air space rather than through wires or other physical connections. A wireless communications network may not allow all communications to be transmitted wirelessly, but is configured to allow at least some communications to be transmitted wirelessly. Additionally, the term “wireless communication device” or similar terms does not require that the functionality of the device is exclusively or even primarily for communication, or that the device is a mobile device, but rather that the device has wireless communication capabilities (one-way or two-way). ), e.g., indicating that it includes at least one radio for wireless communication (each radio being part of a transmitter, receiver, or transceiver).

[0123] Specific details are given in the description to provide a thorough understanding of example configurations (including implementations). However, configurations may be practiced without these specific details. For example, well-known circuits, processes, algorithms, structures, and techniques are shown without unnecessary detail to avoid obscuring the configurations. This description provides example configurations and does not limit the scope, applicability, or configurations of the claims. Rather, the preceding description of the configurations provides instructions for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the scope of the disclosure.

[0124] As used herein, the terms “processor-readable medium”, “machine-readable medium”, and “computer-readable medium” refer to providing data that causes a machine to operate in a particular manner. refers to any medium that Using a computing platform, various processor-readable media may be involved in providing instructions/code to the processor(s) for execution and/or storing such instructions/code (e.g., as signals). It can be used to do and/or return. In many implementations, processor-readable media is a physical and/or tangible storage medium. Such media can take many forms, including, but not limited to, non-volatile media and volatile media. Non-volatile media include, for example, optical and/or magnetic disks. Volatile media includes, but is not limited to, dynamic memory.

[0125] Statement that a value exceeds (or is greater than or above) a first threshold means that the value meets or exceeds a second threshold that is slightly greater than the first threshold, e.g., the second threshold is determined by the computing system. It is equivalent to stating that there is one value higher than the first threshold at the resolution of . Stating that a value is less than (or within or below) a first threshold means that the value is less than or equal to a second threshold that is slightly lower than the first threshold, e.g., the second threshold is a first threshold at the resolution of the computing system. It is equivalent to stating that it is one value lower than the value.

[0126] Implementation examples are described in the following numbered clauses:

[0127] Clause 1. A method for reporting positioning reference signal measurement values using a wireless node, comprising an indication of the number of positioning frequency layers to be included in a single measurement report, and an indication of the number of positioning frequency layers that can be measured simultaneously. providing competency information; Receiving positioning assistance data including positioning reference signal configuration information; measuring positioning reference signals in the number of positioning frequency layers to be included in a single measurement report based at least in part on the positioning assistance data; and transmitting a single measurement report.

[0128] Clause 2. The method of clause 1, further comprising receiving a request from a location server to measure positioning reference signals in a single positioning frequency layer based on a single measurement report.

[0129] Clause 3. The method of clause 1, wherein the indication of the number of positioning frequency layers to be included in a single measurement report further comprises an indication of at least one air interface.

[0130] Clause 4. The method of clause 3, wherein the indication of the at least one wireless interface includes an indication associated with a Uu interface, or an indication associated with a sidelink interface.

[0131] Clause 5. The method of clause 1, wherein the single measurement report includes an indication of the number of positioning reference signals received in the positioning frequency layer.

[0132] Clause 6. The method of clause 1, wherein the single measurement report includes one or more positioning reference signal measurement values associated with a plurality of positioning frequency layers, the method comprising: receiving an indication of a preferred positioning frequency layer; and measuring a plurality of positioning reference signals associated with the preferred positioning frequency layer.

[0133] Clause 7. The method of clause 1, wherein the method further comprises determining a preferred positioning frequency layer based at least in part on measurement values associated with positioning reference signals, wherein the single measurement report is a preferred positioning frequency layer. A method containing an indication of.

[0134] Clause 8. The method of clause 1, wherein the positioning frequency layer in the number of positioning frequency layers includes positioning reference signal resources associated with a plurality of network nodes.

[0135] Clause 9. The method of clause 8, wherein the plurality of network nodes comprise base stations configured to transmit positioning reference signals.

[0136] Clause 10. The method of clause 8, wherein the plurality of network nodes comprise user equipment configured to transmit positioning reference signals.

[0137] Clause 11. A method of selecting a positioning frequency layer for a positioning session, comprising: receiving capability information including an indication of the number of positioning frequency layers that a wireless node can support; providing a plurality of auxiliary data messages to a wireless node in sequential order based on the number of positioning frequency layers that the wireless node can support; Receiving a sequence of measurement reports from a wireless node, each of the measurement reports being associated with one of a plurality of auxiliary data messages, before the next auxiliary data message of the plurality of auxiliary data messages is provided to the wireless node. Received -; determining a preferred positioning frequency layer based on the sequence of measurement reports; and requesting positioning measurements from the wireless node based on the preferred positioning frequency layer.

[0138] Clause 12. The method of clause 11, wherein the indication of the number of positioning frequency layers that the wireless node can support further comprises an indication of at least one wireless protocol.

[0139] Clause 13. The method of clause 12, wherein the indication of the at least one wireless interface comprises an indication associated with a Uu protocol, or an indication associated with a sidelink protocol.

[0140] Clause 14. The method of clause 11, wherein determining a preferred positioning frequency layer is based at least in part on the number of positioning reference signals measured in the preferred positioning frequency layer.

[0141] Clause 15. The method of clause 11, wherein determining a preferred positioning frequency tier is based at least in part on the number of line of sight measurements obtained in the preferred positioning frequency tier.

[0142] Clause 16. The method of clause 11, further comprising deactivating one or more non-preferred positioning frequency layers on one or more neighboring base stations.

[0143] Article 17. As a device, memory; at least one transceiver;

[0144] At least one processor communicatively coupled to a memory and at least one transceiver, the at least one processor comprising: an indication of the number of positioning frequency layers to be included in a single measurement report; and a positioning frequency layer that can be measured simultaneously. Provide capability information including an indication of the number of positioning frequency layers to be included in a single measurement report based at least in part on the positioning assistance data, and receive positioning assistance data including positioning reference signal configuration information. An apparatus configured to measure positioning reference signals and transmit a single measurement report.

[0145] Clause 18. The apparatus of clause 17, wherein the at least one processor is further configured to receive a request from the location server to measure positioning reference signals in a single positioning frequency layer based on the single measurement report.

[0146] Clause 19. The apparatus of clause 17, wherein the indication of the number of positioning frequency layers to be included in a single measurement report further comprises an indication of at least one air interface.

[0147] Clause 20. The apparatus of clause 19, wherein the indication of the at least one wireless interface includes an indication associated with a Uu interface, or an indication associated with a sidelink interface.

[0148] Clause 21. The apparatus of clause 17, wherein the single measurement report includes an indication of the number of positioning reference signals received in the positioning frequency layer.

[0149] Clause 22. The apparatus of clause 17, wherein a single measurement report includes one or more positioning reference signal measurement values associated with a plurality of positioning frequency layers, and wherein the at least one processor receives an indication of a preferred positioning frequency layer; and the apparatus further configured to measure a plurality of positioning reference signals associated with the preferred positioning frequency layer.

[0150] Clause 23. The apparatus of clause 17, wherein the at least one processor is further configured to determine a preferred positioning frequency tier based at least in part on measurement values associated with the positioning reference signals, and wherein the single measurement report is a preferred positioning frequency tier. A device comprising an indication of a frequency hierarchy.

[0151] Clause 24. The apparatus of clause 17, wherein the positioning frequency layer in the number of positioning frequency layers includes positioning reference signal resources associated with a plurality of network nodes.

[0152] Clause 25. The apparatus of clause 24, wherein the plurality of network nodes comprise base stations configured to transmit positioning reference signals.

[0153] Clause 26. The apparatus of clause 24, wherein the plurality of network nodes comprise user equipment configured to transmit positioning reference signals.

[0154] Article 27. As a device, memory; at least one transceiver; Comprising: at least one processor communicatively coupled to a memory and at least one transceiver, the at least one processor configured to: receive capability information including an indication of the number of positioning frequency layers that the wireless node can support; providing a plurality of auxiliary data messages to the wireless node in sequential order based on the number of positioning frequency layers that the wireless node can support; Receive a sequence of measurement reports from a wireless node, each of the measurement reports associated with one of a plurality of auxiliary data messages, received before the next auxiliary data message of the plurality of auxiliary data messages is provided to the wireless node; determine a preferred positioning frequency layer based on the sequence of measurement reports; and request positioning measurements from the wireless node based on the preferred positioning frequency layer.

[0155] Clause 28. The apparatus of clause 27, wherein the indication of the number of positioning frequency layers that the wireless node can support further comprises an indication of at least one wireless protocol.

[0156] Clause 29. The apparatus of clause 27, wherein the at least one processor is configured to: The device further configured to determine a positioning frequency layer.

[0157] Clause 30. The apparatus of clause 27, wherein the at least one processor is further configured to deactivate one or more non-preferred positioning frequency layers on one or more neighboring base stations.

[0158] Clause 31. A device for reporting positioning reference signal measurement values using a wireless node, comprising an indication of the number of positioning frequency layers to be included in a single measurement report, and an indication of the number of positioning frequency layers that can be measured simultaneously. means for providing competency information; means for receiving positioning assistance data including positioning reference signal configuration information; means for measuring positioning reference signals in a number of positioning frequency layers to be included in a single measurement report based at least in part on positioning assistance data; and means for transmitting a single measurement report.

[0159] Clause 32. An apparatus for selecting a positioning frequency layer for a positioning session, comprising: means for receiving capability information including an indication of the number of positioning frequency layers that the wireless node can support; means for providing a plurality of assistance data messages to a wireless node in sequential order based on the number of positioning frequency layers that the wireless node can support; Means for receiving a sequence of measurement reports from a wireless node, each of the measurement reports associated with one of a plurality of auxiliary data messages, received before the next auxiliary data message of the plurality of auxiliary data messages is provided to the wireless node. -; means for determining a preferred positioning frequency layer based on the sequence of measurement reports; and means for requesting positioning measurements from the wireless node based on a preferred positioning frequency layer.

[0160] Clause 33. A non-transitory processor-readable storage medium comprising processor-readable instructions configured to cause one or more processors to report positioning reference signal measurements using a wireless node, the processor-readable instructions comprising: Code for providing capability information, including an indication of the number of positioning frequency layers to be included in a single measurement report, and an indication of the number of positioning frequency layers that can be measured simultaneously; Code for receiving positioning assistance data including positioning reference signal configuration information; Code for measuring positioning reference signals in a number of positioning frequency layers to be included in a single measurement report based at least in part on positioning assistance data; and code for transmitting a single measurement report.

[0161] Clause 34. A non-transitory processor-readable storage medium containing processor-readable instructions configured to cause one or more processors to select a positioning frequency layer for a positioning session, the processor-readable instructions comprising: Code for receiving capability information including an indication of the number of positioning frequency layers that the node can support; Code for providing a plurality of auxiliary data messages to a wireless node in sequential order based on the number of positioning frequency layers that the wireless node can support; Code for receiving a sequence of measurement reports from a wireless node—each of the measurement reports is associated with one of a plurality of auxiliary data messages, and is received before the next auxiliary data message of the plurality of auxiliary data messages is provided to the wireless node. -; Code for determining a preferred positioning frequency layer based on a sequence of measurement reports; and code for requesting positioning measurements from a wireless node based on a preferred positioning frequency layer.

Claims (30)

A method for reporting positioning reference signal measurements using a wireless node, comprising:
providing capability information including an indication of the number of positioning frequency layers to be included in a single measurement report, and an indication of the number of positioning frequency layers that can be measured simultaneously;
Receiving positioning assistance data including positioning reference signal configuration information;
measuring positioning reference signals at a number of positioning frequency layers to be included in the single measurement report based at least in part on the positioning assistance data; and
A method comprising transmitting the single measurement report. According to claim 1,
The method further comprising receiving a request from a location server to measure positioning reference signals in a single positioning frequency layer based on the single measurement report. According to claim 1,
The method of claim 1, wherein the indication of the number of positioning frequency layers to be included in the single measurement report further comprises an indication of at least one air interface. According to clause 3,
The method of claim 1, wherein the indication of the at least one wireless interface includes an indication associated with a Uu interface, or an indication associated with a sidelink interface. According to claim 1,
The method of claim 1, wherein the single measurement report includes an indication of the number of positioning reference signals received in the positioning frequency layer. According to claim 1,
The single measurement report includes one or more positioning reference signal measurement values associated with a plurality of positioning frequency layers, the method comprising:
Receiving an indication of a preferred positioning frequency layer; and
The method further comprising measuring a plurality of positioning reference signals associated with the preferred positioning frequency layer. According to claim 1,
The method further comprises determining a preferred positioning frequency layer based at least in part on measurement values associated with the positioning reference signals, wherein the single measurement report includes an indication of the preferred positioning frequency layer. method. According to claim 1,
A positioning frequency layer in the number of positioning frequency layers includes positioning reference signal resources associated with a plurality of network nodes. According to clause 8,
The method of claim 1, wherein the plurality of network nodes include base stations configured to transmit positioning reference signals. According to clause 8,
The method of claim 1, wherein the plurality of network nodes include user equipment configured to transmit positioning reference signals. A method of selecting a positioning frequency layer for a positioning session, comprising:
Receiving capability information including an indication of the number of positioning frequency layers that the wireless node can support;
providing a plurality of auxiliary data messages to the wireless node in sequential order based on the number of positioning frequency layers that the wireless node can support;
Receiving a sequence of measurement reports from the wireless node, each of the measurement reports being associated with one of the plurality of auxiliary data messages, providing the next auxiliary data message of the plurality of auxiliary data messages to the wireless node. received before ―;
determining a preferred positioning frequency layer based on the sequence of measurement reports; and
Requesting positioning measurements from the wireless node based on the preferred positioning frequency layer. According to claim 11,
The method of claim 1, wherein the indication of the number of positioning frequency layers that the wireless node can support further comprises an indication of at least one wireless protocol. According to claim 12,
The method of claim 1, wherein the indication of the at least one wireless interface includes an indication associated with a Uu protocol, or an indication associated with a sidelink protocol. According to claim 11,
Wherein determining the preferred positioning frequency layer is based at least in part on the number of positioning reference signals measured in the preferred positioning frequency layer. According to claim 11,
Wherein determining the preferred positioning frequency layer is based at least in part on the number of line of sight measurements obtained in the preferred positioning frequency layer. According to claim 11,
The method further comprising deactivating one or more non-preferred positioning frequency layers on one or more neighboring base stations. As a device,
Memory;
at least one transceiver;
At least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor comprising:
provide capability information including an indication of the number of positioning frequency layers that should be included in a single measurement report, and an indication of the number of positioning frequency layers that can be measured simultaneously;
Receive positioning assistance data including positioning reference signal configuration information;
measure positioning reference signals in the number of positioning frequency layers to be included in the single measurement report based at least in part on the positioning assistance data; and
An apparatus configured to transmit the single measurement report. According to claim 17,
wherein the at least one processor is further configured to receive a request from a location server to measure positioning reference signals in a single positioning frequency layer based on the single measurement report. According to claim 17,
wherein the indication of the number of positioning frequency layers to be included in the single measurement report further comprises an indication of at least one air interface. According to clause 19,
The apparatus of claim 1, wherein the indication of the at least one wireless interface includes an indication associated with a Uu interface, or an indication associated with a sidelink interface. According to claim 17,
The apparatus of claim 1, wherein the single measurement report includes an indication of the number of positioning reference signals received in the positioning frequency layer. According to claim 17,
The single measurement report includes one or more positioning reference signal measurement values associated with a plurality of positioning frequency layers, and the at least one processor is configured to:
receive an indication of a preferred positioning frequency layer; and
The apparatus further configured to measure a plurality of positioning reference signals associated with the preferred positioning frequency layer. According to claim 17,
The at least one processor is further configured to determine a preferred positioning frequency layer based at least in part on measurement values associated with the positioning reference signals, wherein the single measurement report includes an indication of the preferred positioning frequency layer. device to do. According to claim 17,
A positioning frequency layer in the number of positioning frequency layers includes positioning reference signal resources associated with a plurality of network nodes. According to clause 24,
The apparatus of claim 1, wherein the plurality of network nodes include base stations configured to transmit positioning reference signals. According to clause 24,
wherein the plurality of network nodes include user equipment configured to transmit positioning reference signals. As a device,
Memory;
at least one transceiver;
At least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor comprising:
receive capability information including an indication of the number of positioning frequency layers that the wireless node can support;
providing a plurality of auxiliary data messages to the wireless node in sequential order based on the number of positioning frequency layers that the wireless node can support;
Receive a sequence of measurement reports from the wireless node, each of the measurement reports associated with one of the plurality of auxiliary data messages, and provide a next auxiliary data message of the plurality of auxiliary data messages to the wireless node. Received before ―;
determine a preferred positioning frequency layer based on the sequence of measurement reports; and
An apparatus configured to request positioning measurements from the wireless node based on the preferred positioning frequency layer. According to clause 27,
wherein the indication of the number of positioning frequency layers that the wireless node can support further comprises an indication of at least one wireless protocol. According to clause 27,
the at least one processor to determine the preferred positioning frequency layer based at least in part on the number of positioning reference signals measured in the preferred positioning frequency layer, or the number of line-of-sight measurements obtained in the preferred positioning frequency layer A device further configured. According to clause 27,
wherein the at least one processor is further configured to deactivate one or more non-preferred positioning frequency layers on one or more neighboring base stations.